chore(ci): add debug flag to PR validation attestation init

Signed-off-by: Miguel Martinez Trivino <miguel@chainloop.dev>

Author: migmartri

.github/workflows/pr_validation.yaml

@@ -39,7 +39,7 @@ jobs:
       # Initialize a new attestation for this PR event
       - name: Initialize Attestation
         run: |
-          chainloop attestation init --workflow ${CHAINLOOP_WORKFLOW_NAME} --project ${CHAINLOOP_PROJECT_NAME}
+          chainloop attestation init --workflow ${CHAINLOOP_WORKFLOW_NAME} --project ${CHAINLOOP_PROJECT_NAME} --debug
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}