fix: create issue when a pull request targets main

.github/workflows/backport.yml

@@ -1,5 +1,5 @@
 name: Backports
-
+# This workflow generates "backport" issues when a release branch label is added to an issue
 on:
   issues:
     types: [labeled] # triggered when any label is added to an issue

.github/workflows/main-issue.yml

@@ -0,0 +1,30 @@
+name: MainIssue
+# This workflow generates a "main" issue when a PR is created targeting main.
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  generate-issue:
+    name: 'Create Main Issue'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          script: |
+            const repo = context.repo.repo;
+            const owner = context.repo.owner;
+            const pr = context.payload.pull_request;
+
+            // Create the main issue
+            const newIssue = await github.rest.issues.create({
+              owner: owner,
+              repo: repo,
+              title: pr.title,
+              body:  "This is the main issue tracking #" + pr.number + "\n\n" +
+                "Please add labels indicating the release versions eg. 'version/v0'\n" +
+                "Please add comments for user issues which this issue addresses. \n" +
+                "Description copied from PR: \n" + pr.body,
+              labels: ['internal/main']
+            });