build(deps): bump requests-cache from 0.7 to 1.2.1

Bumps [requests-cache](https://github.com/requests-cache/requests-cache) from 0.7 to 1.2.1.
- [Release notes](https://github.com/requests-cache/requests-cache/releases)
- [Changelog](https://github.com/requests-cache/requests-cache/blob/main/HISTORY.md)
- [Commits](requests-cache/requests-cache@v0.7.0...v1.2.1)

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

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

constraints-oldest.txt

@@ -15,7 +15,7 @@ Pygments==2.4.0
 pytest==6.2.0
 pytest-kwparametrize==0.0.3
 regex==2021.4.4
-requests_cache==0.7
+requests_cache==1.2.1
 ruamel.yaml==0.17.21
 toml==0.10.0
 twine==2.0.0