workflows: rework triggering of tests running

Trigger the run-tests workflow after an image is pushed

(cherry picked from commit 4b675f8)

.github/workflows/build-and-test.yml

@@ -1,4 +1,4 @@
-name: Publish SIPSsert Image
+name: Build SIPSsert Image
 
 on:
   workflow_dispatch:
@@ -33,9 +33,3 @@ jobs:
         modules: ${{ steps.fetch_modules.outputs.MODULES }}
         docker-username: ${{ secrets.DOCKER_USERNAME }}
         docker-token: ${{ secrets.DOCKER_TOKEN }}
-
-    - name: Prepare SIPssert
-      uses: OpenSIPS/SIPssert/actions/Prepare_SIPssert@main
-
-    - name: Run All Tests
-      uses: OpenSIPS/SIPssert/actions/Run_All_Tests@main

.github/workflows/run-tests.yml

@@ -4,6 +4,11 @@ on:
   # Triggers the workflow on all push or pull request events
   push:
   pull_request:
+  workflow_run:
+    workflows:
+      - Build SIPSsert Image
+    types:
+      - completed
 
 jobs:
   setup-matrix: