ci: update the release PR after every merge to master (#599)

* ci: use bot token in release workflow to bypass loop detection and run PR checks

Signed-off-by: Tom Hayward <thayward@infoblox.com>

* ci: update the release PR after every merge to master

Signed-off-by: Tom Hayward <thayward@infoblox.com>

---------

Signed-off-by: Tom Hayward <thayward@infoblox.com>

Author: kd7lxl

.github/workflows/release.yaml

@@ -1,6 +1,9 @@
 name: Release Chart
 
 on:
+  push:
+    branches:
+      - master
   workflow_dispatch:
     inputs:
       version:
@@ -20,6 +23,7 @@ jobs:
         uses: actions/checkout@v6
         with:
           fetch-depth: 0
+          token: ${{ secrets.CORTEX_HELM_CHART_CI_TOKEN }}
 
       - name: Configure Git
         run: |
@@ -52,7 +56,7 @@ jobs:
 
       - name: Create or Update Pull Request
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.CORTEX_HELM_CHART_CI_TOKEN }}
         run: |
           git checkout -b release-${{ steps.version.outputs.new_version }}
           git add Chart.yaml README.md CHANGELOG.md docs/