pip stable: update google-auth-httplib2 requirement

Updates the requirements on [google-auth-httplib2](https://github.com/GoogleCloudPlatform/google-auth-library-python-httplib2) to permit the latest version.
- [Release notes](https://github.com/GoogleCloudPlatform/google-auth-library-python-httplib2/releases)
- [Changelog](https://github.com/googleapis/google-auth-library-python-httplib2/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-auth-library-python-httplib2@v0.1.0...v0.1.1)

---
updated-dependencies:
- dependency-name: google-auth-httplib2
  dependency-type: direct:production
...

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

requirements.txt

@@ -1,6 +1,6 @@
 # google sheets api
 google-api-python-client~=2.101.0
-google-auth-httplib2~=0.1.0
+google-auth-httplib2~=0.1.1
 google-auth-oauthlib~=1.1.0
 
 # files