fix: pin Zig version to 0.14.0 in release workflow

The setup-zig action with 'latest' was resolving to 0.15.2 which
doesn't exist on the mirrors, causing 404 errors during release.

Author: subtleGradient

.github/workflows/release.yml

@@ -23,6 +23,8 @@ jobs:
 
       - name: Install Zig
         uses: mlugg/setup-zig@v1
+        with:
+          version: 0.14.0
 
       - name: Build all platforms
         run: |