enable gofumpt formatter

Based on our discussion gofumpt won the vote so use that one via
golangci-lint.

https://github.com/containers/podman/discussions/27291

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

test/utils/common_function_test.go

@@ -140,5 +140,4 @@ var _ = Describe("Common functions test", func() {
 		Expect(err).ToNot(HaveOccurred(), "Cannot find the private key file after we write it.")
 		defer read.Close()
 	})
-
 })