Fix the bumper scheduled job

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Docker Image CI
+name: Build
 
 on:
   push:

.github/workflows/bumper.yml

@@ -1,24 +1,19 @@
-name: Bump versions in Dockerfile when detecting newer release
+name: Bump tools version
 
 on:
   schedule:
-  - cron: "0 0 * * *"
+  - cron: "0 8 * * *"
 
 jobs:
   stale:
 
     runs-on: ubuntu-latest
 
     steps:
+    - uses: actions/checkout@v2
+
     - name: Run bumper.sh
-      run: ./hacks/bumper.sh
-
-    #- name: Create commits
-    #  run: |
-    #      git config user.name 'Automatic bumper'
-    #      git config user.email '[email protected]'
-    #      git add Dockerfile
-    #      git commit -m "Automatic versions update"
+      run: $(git rev-parse --show-toplevel)/hacks/bumper.sh
 
     - name: Create Pull Request
       uses: peter-evans/create-pull-request@v2