Bump to Go 1.22

The oldest supported branch of k/k is 1.31, which uses Go 1.22.

Signed-off-by: Stephen Kitt <[email protected]>

Author: skitt

.github/workflows/test.yml

@@ -4,7 +4,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.20.x, 1.21.x]
+        go-version: [1.22.x, 1.25.x]
         platform: [windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -24,7 +24,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.20.x, 1.21.x]
+        go-version: [1.22.x, 1.25.x]
         platform: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -40,7 +40,7 @@ jobs:
   verify-go-directive:
     strategy:
       matrix:
-        go-version: [1.20.x, 1.21.x]
+        go-version: [1.22.x, 1.25.x]
         platform: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -72,7 +72,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.21.x
+          go-version: 1.22.x
       - name: Add GOBIN to PATH
         run: echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
       - name: Install dependencies

Makefile

@@ -39,9 +39,9 @@ vet:
 update-fmt:
 	gofmt -s -w .
 
-# We set the maximum version of the go directive as 1.20 here
+# We set the maximum version of the go directive as 1.22 here
 # because the oldest go directive that exists on our supported
-# release branches in k/k is 1.20.
+# release branches in k/k is 1.22.
 .PHONY: verify-go-directive
 verify-go-directive:
-	./hack/verify-go-directive.sh -g 1.20
+	./hack/verify-go-directive.sh -g 1.22

go.mod

@@ -1,6 +1,6 @@
 module k8s.io/utils
 
-go 1.18
+go 1.22
 
 require (
 	github.com/davecgh/go-spew v1.1.1