ci(e2e): revert to using api 29 for stability

.github/workflows/e2e.yaml

@@ -65,13 +65,13 @@ jobs:
           path: |
             ~/.android/avd/*
             ~/.android/adb*
-          key: avd-34
+          key: avd-29
 
       - name: 🤖 Cache AVD Snapshot
         if: steps.avd-cache.outputs.cache-hit != 'true'
         uses: reactivecircus/android-emulator-runner@v2
         with:
-          api-level: 34
+          api-level: 29
           arch: x86_64
           force-avd-creation: false
           emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
@@ -81,7 +81,7 @@ jobs:
       - name: 🧪 Run Patch E2E Tests
         uses: reactivecircus/android-emulator-runner@v2
         with:
-          api-level: 34
+          api-level: 29
           arch: x86_64
           script: ./scripts/patch_e2e.sh ${{ matrix.flutter-version }}