Switch CI action from korandoru/setup-zig to mlugg/setup-zig (#352)

* Initial plan

* Switch CI action from korandoru/setup-zig to mlugg/setup-zig

Co-authored-by: messense <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: messense <[email protected]>

Author: Copilot

.github/workflows/CI.yml

@@ -47,9 +47,9 @@ jobs:
         with:
           toolchain: ${{ matrix.toolchain }}
       - name: Install zig
-        uses: korandoru/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
-          zig-version: ${{ matrix.zig }}
+          version: ${{ matrix.zig }}
       - run: zig version
       - run: cargo build
       - name: Install Rust targets