add generate CI action to rebuild suppressed files

.github/workflows/generate.yaml

@@ -0,0 +1,26 @@
+name: 'Generate'
+
+on:
+  # push:
+  #   branches:
+  #     - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  generate:
+    runs-on: ubuntu-22.04
+    permissions:
+      checks: write
+      contents: read
+      pull-requests: read
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          make proto-generate
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+          git add .
+          git commit -m "generated"
+          # git push

CODEOWNERS

@@ -1,3 +1,8 @@
 # CODEOWNERS
 
-*  @opentdf/developers
+- @opentdf/developers
+
+# Suppresses generated files in diffs
+
+.gitattributes @biscoe916 @jrschumacher @strantalis @ttschampel
+.github/workflows/generate.yaml @biscoe916 @jrschumacher @strantalis @ttschampel