feat: run the "Main" workflow on release branches (#29704)

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## **Description**

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This PR adds the glob expression "Version-v*" to run the "Main" workflow
on release branches, thus allowing us to upload builds to Runway. It
also modifies the Runway action to only run on release branches.

## **Related issues**

Fixes: MetaMask/MetaMask-planning#3619

## **Manual testing steps**

1. Runway build artifacts should be uploaded on release branches.

## **Screenshots/Recordings**

Not applicable

<!-- [screenshots/recordings] -->

## **Pre-merge author checklist**

- [x] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask
Extension Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've completed the PR template to the best of my ability
- [x] I’ve included tests if applicable
- [x] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [x] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-extension/blob/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.

.github/workflows/main.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
       - master
+      - Version-v*
   pull_request:
     types:
       - opened
@@ -67,6 +68,9 @@ jobs:
 
   runway:
     name: Runway
+    # For a `pull_request` event, the branch is `github.head_ref``.
+    # For a `push` event, the branch is `github.ref_name`.
+    if: ${{ startsWith(github.head_ref || github.ref_name, 'Version-v') }}
     needs:
       - wait-for-circleci-workflow-status
     uses: ./.github/workflows/runway.yml
@@ -96,7 +100,6 @@ jobs:
       - validate-lavamoat-policy-webapp
       - run-tests
       - wait-for-circleci-workflow-status
-      - runway
     outputs:
       PASSED: ${{ steps.set-output.outputs.PASSED }}
     steps: