ci: replace unmaintained goto-bus-stop/setup-zig with mlugg/setup-zig action (#46)

* Initial plan

* Replace goto-bus-stop/setup-zig with mlugg/setup-zig action

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

---------

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

Author: Copilot

.github/workflows/pure-rust-build-on-linux.yml

@@ -61,7 +61,7 @@ jobs:
           node-version: '22'
           cache: 'yarn'
       - name: Install ziglang
-        uses: goto-bus-stop/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
           version: 0.14.1
       - name: Install cargo toolchains