mod(ci): change target zig version to *latest*

.gitea/workflows/release.yaml

@@ -15,9 +15,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Setup zig installation
-        uses: mlugg/setup-zig@v2
+        uses: https://codeberg.org/mlugg/setup-zig@v2
         with:
-          version: master
+          version: latest
       - name: Lint check
         run: zig fmt --check .
       - name: Spell checking

.gitea/workflows/test.yaml

@@ -14,9 +14,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Setup zig installation
-        uses: mlugg/setup-zig@v2
+        uses: https://codeberg.org/mlugg/setup-zig@v2
         with:
-          version: master
+          version: latest
       - name: Lint check
         run: zig fmt --check --exclude src/test .
       - name: Spell checking