bump golang version in GH actions

Signed-off-by: Tim Ramlot <[email protected]>

Author: inteon

.github/workflows/golangci-lint.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
           cache: false
       - uses: actions/checkout@v4
       - name: golangci-lint

.github/workflows/pr-dependabot.yaml

@@ -23,7 +23,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # tag=v4.0.1
       with:
-        go-version: '1.20'
+        go-version: '1.21'
     - name: Update all modules
       run: make modules
     - uses: EndBug/add-and-commit@1bad3abcf0d6ec49a5857d124b0bfb52dc7bb081 # tag=v9.1.3

.golangci.yml

@@ -59,9 +59,9 @@ linters-settings:
       - pkg: sigs.k8s.io/controller-runtime
         alias: ctrl
   staticcheck:
-    go: "1.20"
+    go: "1.21"
   stylecheck:
-    go: "1.20"
+    go: "1.21"
   revive:
     rules:
       # The following rules are recommended https://github.com/mgechev/revive#recommended-configuration