chore(deps): upgrade Go requirement to 1.24.0 (#7456)

- Update Go version requirement to 1.24.0
- Bump build version to 1.25.0
- Upgrade golangci-lint action to latest
- Use t.Chdir in tests to address linter issue

Signed-off-by: Ville Vesilehto <ville@vesilehto.fi>

.github/workflows/golangci-lint.yml

@@ -15,4 +15,4 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9  # v8.0.0
         with:
-          version: v2.1.6
+          version: v2.4.0

.go-version

@@ -1 +1 @@
-1.24.6
+1.25.0

README.md

@@ -57,7 +57,7 @@ out-of-tree plugins.
 To compile CoreDNS, we assume you have a working Go setup. See various tutorials if you don’t have
 that already configured.
 
-First, make sure your golang version is 1.23.0 or higher as `go mod` support and other api is needed.
+First, make sure your golang version is 1.24.0 or higher as `go mod` support and other api is needed.
 See [here](https://github.com/golang/go/wiki/Modules) for `go mod` details.
 Then, check out the project and run `make` to compile the binary:
 

coremain/run_test.go

@@ -113,9 +113,7 @@ func TestConfLoader(t *testing.T) {
 func TestDefaultLoader(t *testing.T) {
 	// The working directory matters because defaultLoader() looks for "Corefile" in the current directory
 	tmpDir := t.TempDir()
-	if err := os.Chdir(tmpDir); err != nil {
-		t.Fatalf("Failed to change to temp directory: %v", err)
-	}
+	t.Chdir(tmpDir)
 
 	// Test without Corefile
 	input, err := defaultLoader("dns")

go.mod

@@ -2,7 +2,7 @@ module github.com/coredns/coredns
 
 // Note this minimum version requirement. CoreDNS supports the last two
 // Go versions. This follows the upstream Go project support.
-go 1.23.0
+go 1.24.0
 
 require (
 	github.com/Azure/azure-sdk-for-go v68.0.0+incompatible