try new api url

.github/workflows/release-docs.yml

@@ -57,11 +57,12 @@ jobs:
 
           OWNER="$(echo "$REPO" | cut -d/ -f1)"
           NAME="$(echo "$REPO" | cut -d/ -f2)"
-          API="${GITEA_BASE_URL}/api/v1"
+          API="${GITHUB_API_URL}"
           AUTH="Authorization: token ${GITEA_TOKEN}"
 
           echo "Repo: $OWNER/$NAME"
           echo "Tag:  $TAG"
+          echo "API: $API"
 
           # Check if release exists for this tag
           existing_release_json="$(curl -sS -H "$AUTH" \