Bump google-cloud-vision from 3.7.2 to 3.8.1

Bumps [google-cloud-vision](https://github.com/googleapis/google-cloud-python) from 3.7.2 to 3.8.1.
- [Release notes](https://github.com/googleapis/google-cloud-python/releases)
- [Changelog](https://github.com/googleapis/google-cloud-python/blob/main/packages/google-cloud-documentai/CHANGELOG.md)
- [Commits](googleapis/google-cloud-python@google-cloud-vision-v3.7.2...google-cloud-vision-v3.8.1)

---
updated-dependencies:
- dependency-name: google-cloud-vision
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -7,7 +7,7 @@ servicelayer[google,amazon]==1.23.2
 languagecodes==1.1.1
 countrytagger==0.1.2
 pyicu==2.12
-google-cloud-vision==3.7.2
+google-cloud-vision==3.8.1
 tesserocr==2.6.2
 spacy==3.6.1
 fingerprints==1.1.1