ci(admin-web): use PR_API_TOKEN for registry auth

.github/workflows/admin-web-docker.yml

@@ -5,8 +5,7 @@
 # Gitea Registry URL:  gitea.1000co.fr/millianlmx/tabatago/admin-web
 #
 # Required secrets:
-#   GITEA_DOCKER_TOKEN  — PAT with read:package + write:package scopes
-#   GITEA_DOCKER_USER   — Gitea username for Docker login (default: millianlmx)
+#   PR_API_TOKEN  — Gitea PAT (must have read:package + write:package scopes)
 # =============================================================================
 
 name: Admin Web — Docker Build & Push
@@ -65,8 +64,8 @@ jobs:
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
-          username: ${{ secrets.GITEA_DOCKER_USER || 'millianlmx' }}
-          password: ${{ secrets.GITEA_DOCKER_TOKEN }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.PR_API_TOKEN }}
 
       # ── Build & Push ──
       - name: Build and push