RELENG-362 - Add catalog support

.github/workflows/catalog.yaml

@@ -0,0 +1,20 @@
+---
+name: Catalog
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - master
+
+permissions:
+  contents: "read"
+  packages: "read"
+  id-token: "write"
+
+jobs:
+  docs:
+    uses: pantheon-systems/service-catalog/.github/workflows/docs-like-code.yaml@main
+  catalog-upload:
+    uses: pantheon-systems/service-catalog/.github/workflows/catalog-upload.yaml@main

catalog-info.yaml

@@ -0,0 +1,11 @@
+---
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: autotag
+  description: Git repository version tagging tool
+  annotations:
+    backstage.io/techdocs-ref: dir:docs/
+spec:
+  owner: releng
+  type: tool