Grant id-token: write for federated model credentials (#12)

Co-authored-by: rgarcia <72655+rgarcia@users.noreply.github.com>

Author: rgarcia

.github/workflows/semgrep.yml

@@ -7,6 +7,8 @@ on:
 permissions:
   contents: read
   pull-requests: write
+  # semgrep exchanges the job's OIDC token for short-lived model credentials.
+  id-token: write
 
 jobs:
   scan:

.github/workflows/vuln-remediation.yml

@@ -8,6 +8,8 @@ on:
 permissions:
   contents: write
   pull-requests: write
+  # vuln-remediation exchanges the job's OIDC token for short-lived model credentials.
+  id-token: write
 
 jobs:
   remediate: