update to golang 1.25 in github actions as well

Signed-off-by: Martin Linkhorst <martin.linkhorst@zalando.de>

Author: Martin Linkhorst

.github/workflows/ci.yaml

@@ -7,7 +7,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-go@v5
       with:
-        go-version: '^1.24'
+        go-version: '^1.25'
     - run: go version
     - run: go install github.com/mattn/goveralls@latest
     - run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest

Makefile

@@ -22,7 +22,7 @@ clean:
 	rm -rf $(GENERATED)
 
 test: $(GENERATED)
-	GOTOOLCHAIN=go1.25.0+auto go test -v -coverprofile=profile.cov $(GOPKGS)
+	go test -v -coverprofile=profile.cov $(GOPKGS)
 
 lint:
 	golangci-lint run ./...