Run gh actions on dev2 branch & disable uploading of test reports

.github/workflows/ci.yml

@@ -5,6 +5,7 @@ on:
   pull_request:
     branches:
       - dev
+      - dev2
       - master
       - refactor
       - release**
@@ -19,7 +20,9 @@ on:
   push:
     branches:
       - dev
+      - dev2
       - master
+      - refactor
     paths-ignore:
       - 'README.md'
       - 'doc/**'
@@ -103,13 +106,6 @@ jobs:
           arch: ${{ matrix.arch }}
           script: ./gradlew connectedCheck --stacktrace
 
-      - name: Upload test report when tests fail # because the printed out stacktrace (console) is too short, see also #7553
-        uses: actions/upload-artifact@v4
-        if: failure()
-        with:
-          name: android-test-report-api${{ matrix.api-level }}
-          path: app/build/reports/androidTests/connected/**
-
   sonar:
     runs-on: ubuntu-latest