ci: update to Zig 0.13.0

.github/workflows/build.yml

@@ -1,28 +1,16 @@
 name: Build native binaries
 
-on:
-  push:
-    branches: [main]
-    paths:
-      - 'src/**'
-      - '**.zig'
-      - '.github/**'
+on: [push, pull_request]
 
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/cache@v2
-        with:
-          key: ${{ runner.os }}-build
-          path: |
-            zig-cache
-            ~/.cache/deps-zig
-
-      - uses: actions/checkout@v2
-      - uses: goto-bus-stop/setup-zig@v1
-        with: {version: "0.11.0"}
+      - name: Checkout
+        uses: actions/checkout@v3
+      - uses: mlugg/setup-zig@v1
+        with: { version: "0.13.0" }
 
       # TODO: figure out a way to cache this
       - name: Install ShaderC