ci: create cyborg for all heavy GitHub integrated actions (#3852)

* ci: create cyborg for all heavy GitHub integrated actions

Signed-off-by: tison <wander4096@gmail.com>

* hack trigger for testing

Signed-off-by: tison <wander4096@gmail.com>

* fixup token population

Signed-off-by: tison <wander4096@gmail.com>

* tidy up

Signed-off-by: tison <wander4096@gmail.com>

* use tsx

Signed-off-by: tison <wander4096@gmail.com>

---------

Signed-off-by: tison <wander4096@gmail.com>

.github/workflows/schedule.yml

@@ -0,0 +1,32 @@
+name: Schedule Management
+on:
+  schedule:
+    - cron: '4 2 * * *'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  issues: write
+  pull-requests: write
+
+jobs:
+  maintenance:
+    name: Periodic Maintenance
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - uses: pnpm/action-setup@v3
+        with:
+          package_json_file: 'cyborg/package.json'
+          run_install: true
+      - name: Describe the Environment
+        working-directory: cyborg
+        run: pnpm tsx -v
+      - name: Do Maintenance
+        working-directory: cyborg
+        run: pnpm tsx bin/schedule.ts
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_PERSONAL_ACCESS_TOKEN }}

.github/workflows/unassign.yml

@@ -1,21 +0,0 @@
-name: Auto Unassign
-on:
-  schedule:
-    - cron: '4 2 * * *'
-  workflow_dispatch:
-
-permissions:
-  contents: read
-  issues: write
-  pull-requests: write
-
-jobs:
-  auto-unassign:
-    name: Auto Unassign
-    runs-on: ubuntu-latest
-    steps:
-      - name: Auto Unassign
-        uses: tisonspieces/auto-unassign@main
-        with:
-          token: ${{ secrets.GH_PERSONAL_ACCESS_TOKEN }}
-          repository: ${{ github.repository }}