Bump requests-cache from 0.9.6 to 0.9.8

Bumps [requests-cache](https://github.com/requests-cache/requests-cache) from 0.9.6 to 0.9.8.
- [Release notes](https://github.com/requests-cache/requests-cache/releases)
- [Changelog](https://github.com/requests-cache/requests-cache/blob/main/HISTORY.md)
- [Commits](https://github.com/requests-cache/requests-cache/compare/v0.9.6...v0.9.8)

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

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

requirements.txt

@@ -3,7 +3,7 @@ tmdbapis==1.1.0
 arrapi==1.4.2
 lxml==4.9.2
 requests==2.28.2
-requests-cache==0.9.6
+requests-cache==0.9.8
 ruamel.yaml==0.17.21
 schedule==1.1.0
 retrying==1.3.4