fix(deps): update module github.com/lestrrat-go/jwx/v3 to v4

Migrate to jwx v4 per MIGRATION.md:
- jwk.Import now generic; use jwk.Import[jwk.Key](raw)
- Set GOEXPERIMENT=jsonv2 (v4 uses encoding/json/v2)

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.26@sha256:c83e68f3ebb6943a2904fa66348867d108119890a2c6a2e6f07b38d0eb6c25c5 AS build
+FROM golang:1.26@sha256:46d487a9216d9d3563ae7be4ee0f6a4aa9a3f6befdf62c384fd5118a7e254c4d AS build
 
 ARG GITLAB_USER
 ARG GITLAB_TOKEN
@@ -6,6 +6,7 @@ ARG GITLAB_TOKEN
 WORKDIR /build
 ENV CGO_ENABLED=0
 ENV GOPRIVATE=gitlab.com/unboundsoftware/*
+ENV GOEXPERIMENT=jsonv2
 
 COPY go.mod go.sum ./
 RUN go mod download
@@ -13,7 +14,7 @@ RUN go mod download
 COPY . .
 RUN go build -ldflags="-s -w" -o /release/service ./cmd/service
 
-FROM gcr.io/distroless/static-debian12@sha256:cd64bec9cec257044ce3a8dd3620cf83b387920100332f2b041f19c4d2febf93
+FROM gcr.io/distroless/static-debian12@sha256:20bc6c0bc4d625a22a8fde3e55f6515709b32055ef8fb9cfbddaa06d1760f838
 
 ENV TZ=Europe/Stockholm
 ENV AUDIENCE="https://shiny.unbound.se"

auth/jwt.go

@@ -8,10 +8,10 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-	"github.com/lestrrat-go/jwx/v3/jwa"
-	"github.com/lestrrat-go/jwx/v3/jwk"
-	"github.com/lestrrat-go/jwx/v3/jws"
-	"github.com/lestrrat-go/jwx/v3/jwt"
+	"github.com/lestrrat-go/jwx/v4/jwa"
+	"github.com/lestrrat-go/jwx/v4/jwk"
+	"github.com/lestrrat-go/jwx/v4/jws"
+	"github.com/lestrrat-go/jwx/v4/jwt"
 )
 
 const (
@@ -38,7 +38,7 @@ func NewJWTService(issuer, audience, adminClaim, emailClaim string) (*JWTService
 	}
 
 	// Create JWK from private key
-	key, err := jwk.Import(privateKey)
+	key, err := jwk.Import[jwk.Key](privateKey)
 	if err != nil {
 		return nil, fmt.Errorf("create JWK from private key: %w", err)
 	}
@@ -98,7 +98,7 @@ func (s *JWTService) SignToken(claims map[string]interface{}) (string, error) {
 	}
 
 	// Create JWK from private key for signing
-	key, err := jwk.Import(s.privateKey)
+	key, err := jwk.Import[jwk.Key](s.privateKey)
 	if err != nil {
 		return "", fmt.Errorf("create signing key: %w", err)
 	}

go.mod

@@ -1,25 +1,17 @@
 module gitlab.com/unboundsoftware/auth0mock
 
-go 1.24.0
+go 1.26.0
 
 require (
-	github.com/alecthomas/kong v1.14.0
+	github.com/alecthomas/kong v1.15.0
 	github.com/google/uuid v1.6.0
-	github.com/lestrrat-go/jwx/v3 v3.0.13
+	github.com/lestrrat-go/jwx/v4 v4.0.0
 	github.com/rs/cors v1.11.1
 )
 
 require (
-	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect
-	github.com/goccy/go-json v0.10.3 // indirect
-	github.com/lestrrat-go/blackmagic v1.0.4 // indirect
-	github.com/lestrrat-go/dsig v1.0.0 // indirect
-	github.com/lestrrat-go/dsig-secp256k1 v1.0.0 // indirect
-	github.com/lestrrat-go/httpcc v1.0.1 // indirect
-	github.com/lestrrat-go/httprc/v3 v3.0.2 // indirect
-	github.com/lestrrat-go/option/v2 v2.0.0 // indirect
-	github.com/segmentio/asm v1.2.1 // indirect
-	github.com/valyala/fastjson v1.6.7 // indirect
-	golang.org/x/crypto v0.46.0 // indirect
-	golang.org/x/sys v0.39.0 // indirect
+	github.com/lestrrat-go/dsig v1.3.0 // indirect
+	github.com/lestrrat-go/option/v3 v3.0.0-alpha1 // indirect
+	github.com/valyala/fastjson v1.6.10 // indirect
+	golang.org/x/crypto v0.50.0 // indirect
 )

go.sum

@@ -1,51 +1,30 @@
 github.com/alecthomas/assert/v2 v2.11.0 h1:2Q9r3ki8+JYXvGsDyBXwH3LcJ+WK5D0gc5E8vS6K3D0=
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-github.com/alecthomas/kong v1.14.0 h1:gFgEUZWu2ZmZ+UhyZ1bDhuutbKN1nTtJTwh19Wsn21s=
-github.com/alecthomas/kong v1.14.0/go.mod h1:wrlbXem1CWqUV5Vbmss5ISYhsVPkBb1Yo7YKJghju2I=
+github.com/alecthomas/kong v1.15.0 h1:BVJstKbpO73zKpmIu+m/aLRrNmWwxXPIGTNin9VmLVI=
+github.com/alecthomas/kong v1.15.0/go.mod h1:wrlbXem1CWqUV5Vbmss5ISYhsVPkBb1Yo7YKJghju2I=
 github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs=
 github.com/alecthomas/repr v0.5.2/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 h1:NMZiJj8QnKe1LgsbDayM4UoHwbvwDRwnI3hwNaAHRnc=
-github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0/go.mod h1:ZXNYxsqcloTdSy/rNShjYzMhyjf0LaoftYK0p+A3h40=
-github.com/goccy/go-json v0.10.3 h1:KZ5WoDbxAIgm2HNbYckL0se1fHD6rz5j4ywS6ebzDqA=
-github.com/goccy/go-json v0.10.3/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
 github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
-github.com/lestrrat-go/blackmagic v1.0.4 h1:IwQibdnf8l2KoO+qC3uT4OaTWsW7tuRQXy9TRN9QanA=
-github.com/lestrrat-go/blackmagic v1.0.4/go.mod h1:6AWFyKNNj0zEXQYfTMPfZrAXUWUfTIZ5ECEUEJaijtw=
-github.com/lestrrat-go/dsig v1.0.0 h1:OE09s2r9Z81kxzJYRn07TFM9XA4akrUdoMwr0L8xj38=
-github.com/lestrrat-go/dsig v1.0.0/go.mod h1:dEgoOYYEJvW6XGbLasr8TFcAxoWrKlbQvmJgCR0qkDo=
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-github.com/lestrrat-go/httpcc v1.0.1 h1:ydWCStUeJLkpYyjLDHihupbn2tYmZ7m22BGkcvZZrIE=
-github.com/lestrrat-go/httpcc v1.0.1/go.mod h1:qiltp3Mt56+55GPVCbTdM9MlqhvzyuL6W/NMDA8vA5E=
-github.com/lestrrat-go/httprc/v3 v3.0.2 h1:7u4HUaD0NQbf2/n5+fyp+T10hNCsAnwKfqn4A4Baif0=
-github.com/lestrrat-go/httprc/v3 v3.0.2/go.mod h1:mSMtkZW92Z98M5YoNNztbRGxbXHql7tSitCvaxvo9l0=
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-github.com/lestrrat-go/option/v2 v2.0.0 h1:XxrcaJESE1fokHy3FpaQ/cXW8ZsIdWcdFzzLOcID3Ss=
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-github.com/segmentio/asm v1.2.1 h1:DTNbBqs57ioxAD4PrArqftgypG4/qNpXoJx8TVXxPR0=
-github.com/segmentio/asm v1.2.1/go.mod h1:BqMnlJP91P8d+4ibuonYZw9mfnzI9HfxselHZr5aAcs=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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