Unify Mac CI action

.github/workflows/rpcs3.yml

@@ -123,11 +123,11 @@ jobs:
       matrix:
         include:
           - name: Intel
-            build_sh: .ci/build-mac.sh
+            AARCH64: 0
             UPLOAD_COMMIT_HASH: 51ae32f468089a8169aaf1567de355ff4a3e0842
             UPLOAD_REPO_FULL_NAME: rpcs3/rpcs3-binaries-mac
           - name: Apple Silicon
-            build_sh: .ci/build-mac-arm64.sh
+            AARCH64: 1
             UPLOAD_COMMIT_HASH: 8e21bdbc40711a3fccd18fbf17b742348b0f4281
             UPLOAD_REPO_FULL_NAME: rpcs3/rpcs3-binaries-mac-arm64
     name: RPCS3 Mac ${{ matrix.name }} 
@@ -140,6 +140,7 @@ jobs:
       RELEASE_MESSAGE: ../GitHubReleaseMessage.txt
       UPLOAD_COMMIT_HASH: ${{ matrix.UPLOAD_COMMIT_HASH }}
       UPLOAD_REPO_FULL_NAME: ${{ matrix.UPLOAD_REPO_FULL_NAME }}
+      AARCH64: ${{ matrix.AARCH64 }}
       RUN_UNIT_TESTS: github.event_name == 'pull_request' && 'ON' || 'OFF'
     steps:
       - name: Checkout repository
@@ -164,7 +165,7 @@ jobs:
           restore-keys: ${{ runner.os }}-qt-${{ matrix.name }}-${{ env.QT_VER }}
 
       - name: Build
-        run: ${{ matrix.build_sh }}
+        run: .ci/build-mac.sh
 
       - name: Upload artifacts
         uses: actions/upload-artifact@main