ci: auto release beta version

[skip ci]

.github/workflows/initiate_release.yml

@@ -9,7 +9,7 @@ on:
   workflow_dispatch:
 
 jobs:
-  release:
+  stable-release:
     name: Release
     runs-on: ubuntu-latest
     strategy:
@@ -30,3 +30,23 @@ jobs:
           head: version-${{ matrix.version }}-hotfix
         env:
           GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
+
+  beta-release:
+    name: Release
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+
+    steps:
+      - uses: octokit/request-action@v2.x
+        with:
+          route: POST /repos/{owner}/{repo}/pulls
+          owner: frappe
+          repo: erpnext
+          title: |-
+            "chore: release v15 beta"
+          body: "Automated beta release."
+          base: version-15-beta
+          head: develop
+        env:
+          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}