feat(secscan): Introduce security scanning

.github/.trivyignore

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+# 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

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+timeout: 20m
+scan:
+  offline-scan: true
+ignore-file: .github/.trivyignore

.github/workflows/scanning.yml

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+name: Vulnerability scanning
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    name: Scan for known vulnerabilities
+
+    steps:
+      - 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