chore: remove vendor dependency caching from release workflow

Caching is removed to ensure fresh builds and avoid any
cache-related issues during wheel building.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: arman-bd

.github/workflows/release.yml

@@ -51,20 +51,6 @@ jobs:
       with:
         submodules: recursive
 
-    # Cache vendor dependencies (BoringSSL, nghttp2, liburing)
-    # This cache significantly speeds up builds by avoiding recompilation
-    # Cache key includes setup script hash to invalidate on script changes
-    - name: Cache vendor dependencies
-      uses: actions/cache@v4
-      with:
-        path: |
-          vendor/boringssl/build
-          vendor/nghttp2/install
-          vendor/liburing/install
-        key: vendor-deps-${{ runner.os }}-${{ hashFiles('scripts/setup_vendors.sh') }}
-        restore-keys: |
-          vendor-deps-${{ runner.os }}-
-
     - name: Build wheels
       uses: pypa/cibuildwheel@v2.22.0