fix: use Zig master in release workflow (0.16+ API required)

Author: chrisbbreuer

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: mlugg/setup-zig@v2
         with:
-          version: '0.15.1'
+          version: 'master'
       - run: zig build
       - run: zig build test
       - name: Create Release