ci: add merge-by workflows

Signed-off-by: Trae Yelovich <trae.yelovich@broadcom.com>

.github/workflows/merge-by-comments.yml

@@ -0,0 +1,15 @@
+name: Merge-by
+
+on:
+  pull_request:
+    types: [opened, ready_for_review]
+jobs:
+  rfr_add_date:
+    name: "Post merge-by date as comment"
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: zowe-actions/shared-actions/merge-by@main
+        with:
+          operation: "bump-dates"

.github/workflows/merge-by-table.yml

@@ -0,0 +1,25 @@
+name: Merge-by
+
+on:
+  pull_request:
+    types: [opened, ready_for_review, converted_to_draft]
+  pull_request_review:
+    types: [submitted]
+  push:
+    branches:
+      - main
+      - next
+  workflow_dispatch:
+  schedule:
+    - cron: "0 11 * * *"
+jobs:
+  rfr_add_date:
+    name: "Build table and notify users"
+    runs-on: ubuntu-latest
+    permissions:
+      discussions: write
+      pull-requests: write
+    steps:
+      - uses: zowe-actions/shared-actions/merge-by@main
+        with:
+          operation: "build-table"