chore: Add CocoaPods token keep-alive workflow to maintain session validity (#7440)

* chore: Add CocoaPods token keep-alive workflow to maintain session validity

* Trigger job on PR for testing

* Remove testing code

* Make sure cocoapods is installed

Author: itaybre

.github/workflows/cocoapods-keepalive.yml

@@ -0,0 +1,25 @@
+name: "CocoaPods Token Keep-Alive"
+
+on:
+  schedule:
+    # CocoaPods sessions currently expire after 3 days of inactivity (VALIDITY_LENGTH)
+    # This runs every day at midnight UTC to keep the current token alive
+    # See: https://github.com/CocoaPods/trunk.cocoapods.org/blob/a1869790e9ae2229b6985b6af4532da814202558/app/models/session.rb#L9
+    - cron: "0 0 * * *" # Runs every day at midnight UTC
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  keepalive:
+    name: Refresh CocoaPods Session
+    runs-on: macos-15
+    env:
+      COCOAPODS_TRUNK_TOKEN: ${{ secrets.COCOAPODS_TRUNK_TOKEN }}
+
+    steps:
+      - name: Install CocoaPods
+        run: gem install cocoapods
+      - name: Refresh CocoaPods Session
+        run: pod trunk me > /dev/null 2>&1