Use setup-sqlc in an action

Author: kyleconroy

.github/workflows/setup.yml

@@ -0,0 +1,29 @@
+name: "setup"
+on:
+  push:
+    branches:
+      - main
+jobs:
+  setup-linux:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: kyleconroy/setup-sqlc@main
+      with:
+        sqlc-version: '1.9.0'
+    - run: sqlc version
+
+  setup-windows:
+    runs-on: windows-latest
+    steps:
+    - uses: kyleconroy/setup-sqlc@main
+      with:
+        sqlc-version: '1.9.0'
+    - run: sqlc version
+
+  setup-mac:
+    runs-on: macos-latest
+    steps:
+    - uses: kyleconroy/setup-sqlc@main
+      with:
+        sqlc-version: '1.9.0'
+    - run: sqlc version