update publish workflow for macos

Author: occamist

.github/workflows/publish.yaml

@@ -14,9 +14,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - platform: "macos-latest" # for Arm based macs (M1 and above).
+          - platform: "macos-15" # for Arm based macs (M1 and above).
             args: "--target aarch64-apple-darwin"
-          - platform: "macos-latest" # for Intel based macs.
+          - platform: "macos-15-intel" # for Intel based macs.
             args: "--target x86_64-apple-darwin"
           - platform: "ubuntu-24.04"
             args: ""
@@ -36,7 +36,11 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
         with:
           # Those targets are only used on macos runners so it's in an `if` to slightly speed up windows and linux builds.
-          targets: ${{ matrix.platform == 'macos-latest' && 'aarch64-apple-darwin,x86_64-apple-darwin' || '' }}
+          targets: ${{ startsWith(matrix.platform, 'macos') && 'aarch64-apple-darwin,x86_64-apple-darwin' || '' }}
+
+      - name: Install create-dmg (macOS only)
+        if: startsWith(matrix.platform, 'macos')
+        run: brew install create-dmg
 
       - name: Install OS dependencies (ubuntu only)
         if: matrix.platform == 'ubuntu-24.04' # This must match the platform value defined above.