Downgrade goreleaser to 2.6.1 due to rpm sig issue

Signed-off-by: Gary Bright <gary@mondoo.com>

Author: username-is-already-taken2

.github/workflows/goreleaser.yml

@@ -157,7 +157,7 @@ jobs:
         uses: goreleaser/goreleaser-action@v6
         with:
           distribution: goreleaser
-          version: v2.11.2
+          version: v2.6.1
           args: >
             release
             ${{ inputs.goreleaser-snapshot == true && '--snapshot' || '' }}