chore: migrate to golangci-lint v2 and modernize configuration

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         uses: golangci/golangci-lint-action@v6
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.62
+          version: v2.0.0
 
           # Optional: working directory, useful for monorepos
           # working-directory: somedir
@@ -134,4 +134,4 @@ jobs:
          export KUBECONFIG="${HOME}/.kube/config"
          echo "environment-kubeconfig:" ${KUBECONFIG}
          GOPROXY=https://proxy.golang.org,direct GOSUMDB=off GO111MODULE=on go test -v ./...
-
+

.golangci.yml

@@ -127,24 +127,12 @@ issues:
   exclude-rules:
     - path: _test\.go
       linters:
-        - gomnd
+        - mnd
 
     # https://github.com/go-critic/go-critic/issues/926
     - linters:
         - gocritic
       text: "unnecessaryDefer:"
 
 run:
-  skip-dirs:
-    - test/testdata_etc
-    - internal/cache
-    - internal/renameio
-    - internal/robustio
   timeout: 5m
-
-# golangci.com configuration
-# https://github.com/golangci/golangci/wiki/Configuration
-service:
-  golangci-lint-version: 1.23.x # use the fixed version to not introduce new linters unexpectedly
-  prepare:
-    - echo "here I can run custom commands, but no preparation needed for this repo"