ci: update setup-zig

use the default of enable cache
also it seem I don't need to set cache-key: ${{ matrix.zig-version }}
when os: field is set
Signed-off-by: Bernard Assan <[email protected]>

Author: bernardassan

.github/workflows/ci.yml

@@ -32,10 +32,9 @@ jobs:
           submodules: false
 
       - name: Set up Zig
-        uses: mlugg/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
           version: ${{ matrix.zig-version }}
-          use-cache: false
 
       - name: Run `build`
         run: zig build ${{ matrix.build-options }} -Doptimize=${{ matrix.optimize }} --summary all
@@ -57,10 +56,9 @@ jobs:
           submodules: false
 
       - name: Set up Zig
-        uses: mlugg/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
           version: ${{ matrix.zig-version }}
-          use-cache: false
 
       - name: Run `build tools on macos and windows`
         run: |
@@ -83,10 +81,9 @@ jobs:
           submodules: false
 
       - name: Setup Zig
-        uses: mlugg/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
           version: ${{ matrix.zig-version }}
-          use-cache: false
 
       - name: Run `Test`
         run: zig build test --summary all