Run e2e tests only on main and on stable branches (#45706)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/45706

## Context
Running manual tests when preparing a release, it's time consuming.
We have to do the cherry picks, wait for CI to finish, and then manually test 8 configurations.

Maestro is a tool that allow us to run E2E tests automatically, and we can wire it to CI.

## Change
To avoid flakyness and costs, let's run E2E tests only on main and on stable branches

Changelog:
[Internal] - Exploration to integrate maestro

Reviewed By: blakef

Differential Revision: D60283204

fbshipit-source-id: 806cb8905cb269f18785158dcc5777ef10e0ef44

.github/actions/build-android/action.yml

@@ -4,6 +4,9 @@ inputs:
   release-type:
     required: true
     description: The type of release we are building. It could be nightly, release or dry-run
+  run-e2e-tests:
+    default: 'false'
+    description: If we need to build to run E2E tests. If yes, we need to build also x86.
 runs:
   using: composite
   steps:
@@ -34,7 +37,11 @@ runs:
       run: |
         if [[ "${{ inputs.release-type }}" == "dry-run" ]]; then
           # dry-run: we only build ARM64 to save time/resources. For release/nightlies the default is to build all archs.
-          export ORG_GRADLE_PROJECT_reactNativeArchitectures="arm64-v8a,x86" # x86 is required for E2E testing
+          if [[ "${{ inputs.run-e2e-tests }}" == 'true' ]]; then
+            export ORG_GRADLE_PROJECT_reactNativeArchitectures="arm64-v8a,x86" # x86 is required for E2E testing
+          else
+            export ORG_GRADLE_PROJECT_reactNativeArchitectures="arm64-v8a"
+          fi
           TASKS="publishAllToMavenTempLocal build"
         elif [[ "${{ inputs.release-type }}" == "nightly" ]]; then
           # nightly: we set isSnapshot to true so artifacts are sent to the right repository on Maven Central.

.github/workflows/test-all.yml

@@ -180,6 +180,7 @@ jobs:
           react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
 
   test_e2e_ios_rntester:
+    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') }}
     runs-on: macos-13
     needs:
       [build_apple_slices_hermes, prepare_hermes_workspace, build_hermes_macos]
@@ -214,6 +215,7 @@ jobs:
           maestro-flow: ./packages/rn-tester/.maestro/
 
   test_e2e_ios_templateapp:
+    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') }}
     runs-on: macos-13
     needs: build_npm_package
     env:
@@ -280,6 +282,7 @@ jobs:
           maestro-flow: ./scripts/e2e/.maestro/
 
   test_e2e_android_templateapp:
+    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') }}
     runs-on: ubuntu-latest
     needs: build_npm_package
     continue-on-error: true
@@ -389,8 +392,10 @@ jobs:
         uses: ./.github/actions/build-android
         with:
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
+          run-e2e-tests: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') }}
 
   test_e2e_android_rntester:
+    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') }}
     runs-on: ubuntu-latest
     needs: [build_android]
     strategy: