Bump lib/octache from 261b90b to 6b6acc9 (#1197)

Bumps [lib/octache](https://github.com/Remi-Gau/Octache) from `261b90b` to `6b6acc9`.
- [Release notes](https://github.com/Remi-Gau/Octache/releases)
- [Commits](Remi-Gau/Octache@261b90b...6b6acc9)

---
updated-dependencies:
- dependency-name: lib/octache
  dependency-type: direct:production
...

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