Bump simsimd from 3.7.4 to 3.7.6

Bumps [simsimd](https://github.com/ashvardanian/simsimd) from 3.7.4 to 3.7.6.
- [Release notes](https://github.com/ashvardanian/simsimd/releases)
- [Changelog](https://github.com/ashvardanian/SimSIMD/blob/main/.releaserc)
- [Commits](ashvardanian/SimSIMD@v3.7.4...v3.7.6)

---
updated-dependencies:
- dependency-name: simsimd
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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