Bump CI versions

Author: knutwalker

.github/workflows/ci.yml

@@ -24,9 +24,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Zig
-        uses: mlugg/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
           version: ${{ env.ZIG_VERSION }}
       - name: Run check
@@ -49,9 +49,9 @@ jobs:
     if: ${{ github.event_name == 'push' }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Zig
-        uses: mlugg/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
           version: ${{ env.ZIG_VERSION }}
       - name: Build docs