ci(secscan): Introduce security scanning (#196)

Co-authored-by: Jon Seager <[email protected]>

.github/.trivyignore

@@ -0,0 +1,6 @@
+# ignore known CVEs that are not backported before Go 1.17
+
+CVE-2022-41721
+CVE-2022-41717
+CVE-2022-41723
+CVE-2022-32149

.github/trivy.yaml

@@ -0,0 +1,4 @@
+timeout: 20m
+scan:
+  offline-scan: true
+ignore-file: .github/.trivyignore

.github/workflows/scanning.yml

@@ -0,0 +1,22 @@
+name: Vulnerability scanning
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  scan:
+    name: Scan for known vulnerabilities
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Run Github Trivy FS Action
+        uses: aquasecurity/trivy-action@master
+        with:
+          scan-type: 'fs'
+          scan-ref: '.'
+          trivy-config: .github/trivy.yaml