build(deps): bump MetaMask/action-is-release

Bumps [MetaMask/action-is-release](https://github.com/metamask/action-is-release) from dc4672b05e3b1d464cdaf783579b04a4e43f8b02 to 61ff8882da996cb68cdbc8583dc53956a1ffdd8b.
- [Release notes](https://github.com/metamask/action-is-release/releases)
- [Changelog](https://github.com/MetaMask/action-is-release/blob/main/CHANGELOG.md)
- [Commits](MetaMask/action-is-release@dc4672b...61ff888)

---
updated-dependencies:
- dependency-name: MetaMask/action-is-release
  dependency-version: 61ff8882da996cb68cdbc8583dc53956a1ffdd8b
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -49,7 +49,7 @@ jobs:
       IS_RELEASE: ${{ steps.is-release.outputs.IS_RELEASE }}
     steps:
       - id: is-release
-        uses: MetaMask/action-is-release@dc4672b05e3b1d464cdaf783579b04a4e43f8b02
+        uses: MetaMask/action-is-release@61ff8882da996cb68cdbc8583dc53956a1ffdd8b
         with:
           commit-starts-with: 'Release [version],Release v[version],Release/[version],Release/v[version],Release `[version]`'