Bump spacy from 3.8.4 to 3.8.6

Bumps [spacy](https://github.com/explosion/spaCy) from 3.8.4 to 3.8.6.
- [Release notes](https://github.com/explosion/spaCy/releases)
- [Commits](https://github.com/explosion/spaCy/compare/release-v3.8.4...release-v3.8.6)

---
updated-dependencies:
- dependency-name: spacy
  dependency-version: 3.8.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -13,7 +13,7 @@ tomlkit==0.13.2
 Flask==3.1.0
 clean-text==0.6.0
 unidecode==1.4.0
-spacy==3.8.4
+spacy==3.8.6
 torch==2.7.0
 transformers==4.51.3
 ffmpeg-python==0.2.0