fix(k8s): remove CPU limits to resolve KubeCPUOvercommit alert

Remove cpu from resource limits while keeping memory limits and all
requests intact. CPU limits cause unnecessary throttling and
overcommit alerts when actual usage is far below limits.

.gitlab-ci.yml

@@ -1,35 +0,0 @@
-include:
-- template: 'Workflows/MergeRequest-Pipelines.gitlab-ci.yml'
-- project: unboundsoftware/ci-templates
-  file: Defaults.gitlab-ci.yml
-
-stages:
-  - build
-  - deploy-prod
-
-image: buildtool/build-tools:${BUILDTOOLS_VERSION}
-
-build:
-  stage: build
-  script:
-    - build
-    - curl -Os https://uploader.codecov.io/latest/linux/codecov
-    - chmod +x codecov
-    - ./codecov -t ${CODECOV_TOKEN} -R $CI_PROJECT_DIR -C $CI_COMMIT_SHA -r $CI_PROJECT_PATH
-    - push
-  artifacts:
-    paths:
-      - release/
-      - coverage.html
-      - k8s
-
-deploy-prod:
-  stage: deploy-prod
-  before_script:
-    - echo Deploy to prod
-  script:
-    - deploy prod
-  only:
-    - master
-  environment:
-    name: prod

Dockerfile

@@ -1,4 +1,4 @@
-FROM amd64/golang:1.25.5@sha256:ad03ba93327b8a6143b49373790b5d92c28067bdb814418509466122ee9c9e63 as build
+FROM amd64/golang:1.26.0@sha256:9835fb4f8aa06038ca460e300ee3cb8079d0802a1979724cdb455f5784448704 as build
 WORKDIR /build
 ENV CGO_ENABLED=0
 ADD . /build

go.mod

@@ -2,7 +2,7 @@ module gitlab.com/unboundsoftware/dancefinder/dancefetcher
 
 go 1.24.0
 
-toolchain go1.25.5
+toolchain go1.26.0
 
 require (
 	github.com/alecthomas/kingpin/v2 v2.4.0

k8s/deploy.yaml

@@ -17,7 +17,6 @@ spec:
               imagePullPolicy: Always
               resources:
                 limits:
-                  cpu: 600m
                   memory: 200Mi
                 requests:
                   cpu: 20m