fix release workflow: unique binary names per platform

Previously all unix builds uploaded as "xmaster", causing collisions.
Now each platform gets a distinct asset name:
- xmaster-x86_64-linux
- xmaster-aarch64-darwin
- xmaster-x86_64-darwin
- xmaster-x86_64-windows.exe

Author: longevityboris

.github/workflows/release.yml

@@ -18,15 +18,19 @@ jobs:
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
             artifact: xmaster
+            asset_name: xmaster-x86_64-linux
           - os: macos-latest
             target: aarch64-apple-darwin
             artifact: xmaster
+            asset_name: xmaster-aarch64-darwin
           - os: macos-13
             target: x86_64-apple-darwin
             artifact: xmaster
+            asset_name: xmaster-x86_64-darwin
           - os: windows-latest
             target: x86_64-pc-windows-msvc
             artifact: xmaster.exe
+            asset_name: xmaster-x86_64-windows.exe
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
@@ -37,7 +41,10 @@ jobs:
         with:
           key: ${{ matrix.target }}
       - run: cargo build --release --target ${{ matrix.target }}
+      - name: Rename artifact
+        shell: bash
+        run: cp target/${{ matrix.target }}/release/${{ matrix.artifact }} ${{ matrix.asset_name }}
       - name: Upload to release
         uses: softprops/action-gh-release@v2
         with:
-          files: target/${{ matrix.target }}/release/${{ matrix.artifact }}
+          files: ${{ matrix.asset_name }}