Bump blurhash from 1.1.4 to 1.1.5

Bumps [blurhash](https://github.com/halcy/blurhash-python) from 1.1.4 to 1.1.5.
- [Release notes](https://github.com/halcy/blurhash-python/releases)
- [Commits](https://github.com/halcy/blurhash-python/commits/v1.1.5)

---
updated-dependencies:
- dependency-name: blurhash
  dependency-version: 1.1.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -2,7 +2,7 @@ accessible_output2 @ git+https://github.com/accessibleapps/accessible_output2@57
 arrow==1.3.0
 attrs==25.3.0
 backports.functools-lru-cache==2.0.0
-blurhash==1.1.4
+blurhash==1.1.5
 certifi==2025.8.3
 chardet==5.2.0
 charset-normalizer==3.4.3