build: don't set max provenance on private repos

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Author: crazy-max

.github/workflows/build.yml

@@ -386,7 +386,7 @@ jobs:
           labels: ${{ steps.prepare.outputs.labels }}
           outputs: ${{ steps.prepare.outputs.output }}
           platforms: ${{ steps.prepare.outputs.platform }}
-          provenance: mode=max,version=v1
+          provenance: version=v1
           pull: ${{ inputs.build-pull }}
           sbom: ${{ inputs.build-sbom }}
           secret-envs: GIT_AUTH_TOKEN=GIT_AUTH_TOKEN