ci: osx: don't install packages already in runner; enable releases and port-net

.github/workflows/c-cpp.yml

@@ -153,11 +153,10 @@ jobs:
 
   build-x86_64-osx:
     runs-on: macos-14
-    if: github.ref == 'refs/heads/port'
     steps:
       - name: Install dependencies
         run: |
-          brew install cmake gcc python3 zlib git
+          brew install zlib
           wget http://libsdl.org/release/SDL2-2.30.9.dmg -O SDL2.dmg
           hdiutil mount SDL2.dmg
           sudo cp -vr /Volumes/SDL2/SDL2.framework /Library/Frameworks
@@ -192,11 +191,10 @@ jobs:
 
   build-arm64-osx:
     runs-on: macos-14
-    if: github.ref == 'refs/heads/port'
     steps:
       - name: Install dependencies
         run: |
-          brew install cmake gcc python3 zlib git
+          brew install zlib
           wget http://libsdl.org/release/SDL2-2.30.9.dmg -O SDL2.dmg
           hdiutil mount SDL2.dmg
           sudo cp -vr /Volumes/SDL2/SDL2.framework /Library/Frameworks
@@ -304,7 +302,7 @@ jobs:
   publish-latest-build:
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/port'
-    needs: [build-i686-windows, build-i686-linux, build-x86_64-windows, build-x86_64-linux, build-arm64-nswitch, build-flatpak-bundle]
+    needs: [build-i686-windows, build-i686-linux, build-x86_64-windows, build-x86_64-linux, build-arm64-nswitch, build-x86_64-osx, build-arm64-osx, build-flatpak-bundle]
     permissions:
       contents: write
     steps: