build(deps): Bump themes/FixIt from 9eb18b9 to b7dba07

Bumps [themes/FixIt](https://github.com/hugo-fixit/FixIt) from `9eb18b9` to `b7dba07`.
- [Release notes](https://github.com/hugo-fixit/FixIt/releases)
- [Commits](hugo-fixit/FixIt@9eb18b9...b7dba07)

---
updated-dependencies:
- dependency-name: themes/FixIt
  dependency-type: direct:production
...

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