fix: replace bun with yarn for running Android and iOS harness tests

Author: YogendraShelke

.github/workflows/test-android-harness.yml

@@ -74,7 +74,7 @@ jobs:
           emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
           script: |
             adb install -r "./android/app/build/outputs/apk/debug/app-debug.apk"
-            bun run test:harness --harnessRunner android
+            yarn harness:android
 
       # Gradle cache doesn't like daemons
       - name: Stop Gradle Daemon

.github/workflows/test-ios-harness.yml

@@ -46,5 +46,4 @@ jobs:
 
       - name: Run Harness E2E tests
         working-directory: example
-        run: |
-          bun run test:harness --harnessRunner ios
+        run: yarn harness:ios