chore: Update macOS alpha build workflow to use actions/checkout@v4

.github/workflows/macos-alpha-build.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           python-version: '3.11' 
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup git
         run: |
@@ -42,21 +42,6 @@ jobs:
           echo 'export PATH="/usr/local/opt/gnu-tar/libexec/gnubin:$PATH"' >> ~/.zsh
           source ~/.bash_profile
 
-      - name: Save sccache
-        uses: actions/cache@v3
-        continue-on-error: false
-        with:
-          path: ~/Library/Caches/Mozilla.sccache
-          key: ${{ runner.os }}-sccache
-
-
-      - name: Configure sccache
-        uses: actions/github-script@v7
-        with:
-          script: |
-            core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-            core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-
       - name: Install pnpm
         run: npm install -g pnpm
 

configs/common/mozconfig

@@ -85,11 +85,6 @@ if test "$ZEN_RELEASE"; then
     export MOZ_PGO=1
     ac_add_options MOZ_PGO=1
   fi
-
-  mk_add_options 'export RUSTC_WRAPPER=/home/runner/.mozbuild/sccache/sccache'
-  mk_add_options 'export CCACHE_CPP2=yes'
-  ac_add_options --with-ccache=/home/runner/.mozbuild/sccache/sccache
-  mk_add_options 'export SCCACHE_GHA_ENABLED=on'
 fi
 
 ac_add_options --enable-unverified-updates

configs/linux/mozconfig

@@ -20,6 +20,11 @@ fi
 if test "$ZEN_RELEASE"; then
     ac_add_options --enable-strip
     export STRIP_FLAGS="--strip-debug --strip-unneeded"
+
+    mk_add_options 'export RUSTC_WRAPPER=/home/runner/.mozbuild/sccache/sccache'
+    mk_add_options 'export CCACHE_CPP2=yes'
+    ac_add_options --with-ccache=/home/runner/.mozbuild/sccache/sccache
+    mk_add_options 'export SCCACHE_GHA_ENABLED=on'
 fi
 
 # Disable telemetry and tracking