correct secret name as it is not allowed to start with GITEA in the runer

.gitea/workflows/notifications.yml

@@ -17,7 +17,7 @@ on:
       NTFY_TOPIC: { required: true }
       NTFY_TOKEN: { required: true }
       NTFY_SERVER: { required: true }
-      GITEA_TOKEN: { required: true }
+      API_GITEA_TOKEN: { required: true }
 
 jobs:
   notify:
@@ -27,7 +27,7 @@ jobs:
         id: previous
         shell: bash
         env:
-          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          API_GITEA_TOKEN: ${{ secrets.API_GITEA_TOKEN }}
         run: |
           set -euo pipefail