Bumps CI script

Author: Felix "xq" Queißner

.github/workflows/validate.yml

@@ -20,9 +20,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Setup Zig
-        uses: mlugg/setup-zig@v1
+        uses: mlugg/setup-zig@v2
         with:
-          version: 0.14.0
+          version: 0.15.2
 
       - name: Basic Build
         run: |