Bump gatsby-plugin-offline from 6.13.1 to 6.13.2 (#2775)

Bumps [gatsby-plugin-offline](https://github.com/gatsbyjs/gatsby/tree/HEAD/packages/gatsby-plugin-offline) from 6.13.1 to 6.13.2.
- [Release notes](https://github.com/gatsbyjs/gatsby/releases)
- [Changelog](https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-plugin-offline/CHANGELOG.md)
- [Commits](https://github.com/gatsbyjs/gatsby/commits/gatsby-plugin-offline@6.13.2/packages/gatsby-plugin-offline)

---
updated-dependencies:
- dependency-name: gatsby-plugin-offline
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -30,7 +30,7 @@
  "gatsby-plugin-local-search": "^2.0.1",
  "gatsby-plugin-manifest": "^5.13.1",
  "gatsby-plugin-mdx": "^5.13.1",
- "gatsby-plugin-offline": "^6.13.1",
+ "gatsby-plugin-offline": "^6.13.2",
  "gatsby-plugin-react-i18next": "^3.0.1",
  "gatsby-plugin-react-svg": "^3.3.0",
  "gatsby-plugin-sass": "^6.13.1",