ci: add security action with govulncheck

.github/workflows/security.yml

@@ -0,0 +1,19 @@
+name: Security
+
+on:
+  pull_request:
+  push:
+    tags:
+      - v*
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  govulncheck:
+    name: govulncheck
+    runs-on: ubuntu-latest
+    steps:
+      - uses: golang/govulncheck-action@b625fbe08f3bccbe446d94fbf87fcc875a4f50ee # v1.0.4