ci: fix macOS CI

Author: saghul

.github/workflows/build.yml

@@ -32,16 +32,17 @@ jobs:
         name: vitasdk-linux
         path: build/*.tar.bz2
   build-macos:
-    runs-on: macos-12
+    runs-on: macos-15
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.13' 
     - name: Build
       run: |
         git config --global user.email "[email protected]"
         git config --global user.name "Travis CI"
-        brew install autoconf automake libtool texinfo
-        export PATH="$(brew --prefix texinfo)/bin:$PATH"
+        brew install autoconf automake libtool texinfo pkg-config
         cmake -S . -B build -G "Unix Makefiles"
         cmake --build build --target tarball
     - name: Upload artifacts