Run check-version CI only on PRs with main as the branch target

.github/actions/run-check-version/action.yaml

@@ -0,0 +1,19 @@
+name: "Check SDK versions match"
+description: |
+  Run check-version to ensure versions match when the target branch is main
+
+runs:
+  using: composite
+  steps:
+    # Install node and pnpm.
+    - uses: actions/setup-node@v3
+      with:
+        node-version-file: .node-version
+        registry-url: "https://registry.npmjs.org"
+    - uses: pnpm/action-setup@v2
+      with:
+        version: 8.9.0
+
+    # Run version check
+    - run: pnpm check-version
+      shell: bash

.github/actions/run-lint/action.yaml

@@ -17,7 +17,3 @@ runs:
     # Run eslint
     - run: pnpm install --frozen-lockfile && pnpm lint
       shell: bash
-
-    # Run version check
-    - run: pnpm check-version
-      shell: bash

.github/workflows/run-check-version.yaml

@@ -0,0 +1,20 @@
+env:
+  GIT_SHA: ${{ github.event.pull_request.head.sha || github.sha }}
+
+name: "Check SDK versions match"
+on:
+  pull_request:
+    branches: [main]
+    types: [labeled, opened, synchronize, reopened, auto_merge_enabled]
+  push:
+    branches:
+      - main
+
+jobs:
+  run-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ env.GIT_SHA }}
+      - uses: ./.github/actions/run-check-version