Add OSV Scanner for PRs and merges into main (#2221)

.github/workflows/osv-scanner.yml

@@ -0,0 +1,30 @@
+name: OSV-Scanner
+
+on:
+  pull_request:
+    branches: [ "main" ]
+  push:
+    branches: [ "main" ]
+
+permissions:
+  actions: read
+  security-events: write
+  contents: read
+
+jobs:
+  scan-scheduled:
+    if: ${{ github.event_name == 'push' }}
+    uses: "google/osv-scanner-action/.github/workflows/osv-scanner-reusable.yml@v2.2.2"
+    with:
+      scan-args: |-
+        -r
+        --skip-git
+        ./
+  scan-pr:
+    if: ${{ github.event_name == 'pull_request' }}
+    uses: "google/osv-scanner-action/.github/workflows/osv-scanner-reusable-pr.yml@v2.2.2"
+    with:
+      scan-args: |-
+        -r
+        --skip-git
+        ./