Upgrade to macos 15 runners

Author: m-kuhn

.github/workflows/ios.yml

@@ -20,7 +20,7 @@ env:
 jobs:
   build:
     name: build (ios)
-    runs-on: macos-14
+    runs-on: macos-15
     env:
       DEPLOYMENT_TARGET: '14.0'
       BUILD_TYPE: 'Release'
@@ -72,7 +72,7 @@ jobs:
         run: |
           # Workaround GitHub Actions Python issues
           brew unlink python && brew link --overwrite python
-          brew install automake bison flex gnu-sed s3cmd gettext autoconf-archive nasm libtool
+          brew install automake bison flex gnu-sed s3cmd gettext autoconf-archive nasm libtool mono
           echo $(brew --prefix bison)/bin >> $GITHUB_PATH
           echo $(brew --prefix flex)/bin >> $GITHUB_PATH
           echo $(brew --prefix s3cmd)/bin >> $GITHUB_PATH

.github/workflows/macos.yml

@@ -21,11 +21,11 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: macos-14
+          - os: macos-15
             triplet: x64-osx
             deployment-target: "10.15"
             target-arch: x86_64
-          - os: macos-14
+          - os: macos-15
             triplet: arm64-osx
             deployment-target: "11.0"
             target-arch: arm64
@@ -60,7 +60,7 @@ jobs:
 
       - name: 🔨 Prepare build env
         run: |
-          brew install automake bison flex gnu-sed autoconf-archive nasm libtool xcbeautify
+          brew install automake bison flex gnu-sed autoconf-archive nasm libtool xcbeautify mono
           echo $(brew --prefix bison)/bin >> $GITHUB_PATH
           echo $(brew --prefix flex)/bin >> $GITHUB_PATH
           echo $(brew --prefix libtool)/bin >> $GITHUB_PATH