Reverts the GCC 14 removal.

GCC 14.2 is now in the ubuntu-24.04 images, so this is no longer needed: actions/runner-images#10725

ubuntu-latest has been reverted to 22.04 for multiple reasons, so the fix is a no-op for now anyway.

.github/workflows/v8build.yml

@@ -27,13 +27,6 @@ jobs:
     outputs:
       v8_hash: ${{ steps.update_v8.outputs.v8_hash }}
     steps:
-    - name: Remove GCC 14
-      if: matrix.platform == 'ubuntu-latest'
-      run: |
-        # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115119
-        sudo apt-get purge -yq gcc-14 g++-14 libstdc++-14-dev
-        sudo apt-get autopurge -yq
-
     - name: Checkout
       uses: actions/checkout@v4
       with:
@@ -81,13 +74,6 @@ jobs:
           platform: macos-latest
     runs-on: ${{ matrix.platform }}
     steps:
-    - name: Remove GCC 14
-      if: matrix.platform == 'ubuntu-latest'
-      run: |
-        # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115119
-        sudo apt-get purge -yq gcc-14 g++-14 libstdc++-14-dev
-        sudo apt-get autopurge -yq
-
     - name: Install g++-aarch64-linux-gnu
       if: matrix.os == 'linux' && matrix.arch == 'arm64'
       run: sudo apt update && sudo apt install g++-aarch64-linux-gnu -y