Bump spring-io/backport-bot in the development-dependencies group

Bumps the development-dependencies group with 1 update: [spring-io/backport-bot](https://github.com/spring-io/backport-bot).


Updates `spring-io/backport-bot` from 0.0.1 to 0.0.2
- [Release notes](https://github.com/spring-io/backport-bot/releases)
- [Commits](spring-io/backport-bot@v0.0.1...v0.0.2)

---
updated-dependencies:
- dependency-name: spring-io/backport-bot
  dependency-version: 0.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/backport-issue.yml

@@ -10,6 +10,6 @@ jobs:
     if: contains(github.event.head_commit.message, 'Fixes:') || contains(github.event.head_commit.message, 'Closes:')
     runs-on: ubuntu-latest
     steps:
-      - uses: spring-io/backport-bot@v0.0.1
+      - uses: spring-io/backport-bot@v0.0.2
         with:
           token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}