add OSV-Scanner github action

Signed-off-by: Max Fisher <[email protected]>

.github/workflows/osv-scanner-pr.yml

@@ -0,0 +1,15 @@
+name: OSV-Scanner PR Scan
+
+# Change "main" to your default branch if you use a different name, i.e. "master"
+on:
+  pull_request:
+    branches: [ main ]
+  merge_group:
+    branches: [ main ]
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  scan-pr:
+    uses: "google/osv-scanner/.github/workflows/osv-scanner-reusable-pr.yml@main"

.github/workflows/osv-scanner-scheduled.yml

@@ -0,0 +1,18 @@
+name: OSV-Scanner Scheduled Scan
+
+on:
+  schedule:
+    - cron: '50 1 * * 6' # run at 01:50 UTC every Saturday
+# Change "main" to your default branch if you use a different name, i.e. "master"
+  push:
+    branches: [ main ]
+
+permissions:
+  # Require writing security events to upload SARIF file to security tab
+  security-events: write
+  # Only need to read contents
+  contents: read
+
+jobs:
+  scan-scheduled:
+    uses: "google/osv-scanner/.github/workflows/osv-scanner-reusable.yml@main"