chore(ci): 统一使用 mlugg/setup-zig@v2 替代已废弃 action

- goto-bus-stop/setup-zig 仓库已归档，后续不再维护
- 替换为 mlugg/setup-zig 保证后续兼容和安全
- 避免旧 action 可能引起的集成失效或安全风险

Author: jinzhongjia

.github/workflows/benchmark.yml

@@ -26,7 +26,7 @@ jobs:
               uses: actions/checkout@v4
 
             - name: Setup Zig
-              uses: goto-bus-stop/setup-zig@v2
+              uses: mlugg/setup-zig@v2
               with:
                   version: 0.16.0
 

.github/workflows/deploy_docs.yml

@@ -45,7 +45,7 @@ jobs:
               uses: actions/checkout@v3
               with:
                   fetch-depth: 0 # Not needed if lastUpdated is not enabled
-            - uses: goto-bus-stop/setup-zig@v2
+            - uses: mlugg/setup-zig@v2
               with:
                   cache: false
             - name: Generate Docs

.github/workflows/format-check.yml

@@ -17,7 +17,7 @@ jobs:
               uses: actions/checkout@v4
 
             - name: Setup Zig
-              uses: goto-bus-stop/setup-zig@v2
+              uses: mlugg/setup-zig@v2
               with:
                   version: 0.16.0
 

.github/workflows/test.yml

@@ -56,7 +56,7 @@ jobs:
                   fetch-depth: 0
 
             - name: Setup Zig
-              uses: goto-bus-stop/setup-zig@v2
+              uses: mlugg/setup-zig@v2
               with:
                   version: ${{ matrix.version }}