Bump lib/octache from 7c5590f to 6b4ad3b

Bumps [lib/octache](https://github.com/Remi-Gau/Octache) from `7c5590f` to `6b4ad3b`.
- [Release notes](https://github.com/Remi-Gau/Octache/releases)
- [Commits](Remi-Gau/Octache@7c5590f...6b4ad3b)

---
updated-dependencies:
- dependency-name: lib/octache
  dependency-version: 6b4ad3bba822d3ac5a4b66bbb9d4a1fad474d175
  dependency-type: direct:production
...

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Author: dependabot[bot]