Update module github.com/google/addlicense to v1.2.0

Author: renovate[bot]

internal/tools/go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/a8m/envsubst v1.4.3
 	github.com/client9/misspell v0.3.4
 	github.com/golangci/golangci-lint/v2 v2.4.0
-	github.com/google/addlicense v1.1.1
+	github.com/google/addlicense v1.2.0
 	github.com/jcchavezs/porto v0.7.0
 	github.com/pavius/impi v0.0.3
 	github.com/rhysd/actionlint v1.7.7