Bump gspread

Bumps the straightforward-dependencies group with 1 update in the /lambdas directory: [gspread](https://github.com/burnash/gspread).


Updates `gspread` from 6.2.0 to 6.2.1
- [Release notes](https://github.com/burnash/gspread/releases)
- [Changelog](https://github.com/burnash/gspread/blob/master/HISTORY.rst)
- [Commits](burnash/gspread@v6.2.0...v6.2.1)

---
updated-dependencies:
- dependency-name: gspread
  dependency-version: 6.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: straightforward-dependencies
...

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

Author: dependabot[bot]

lambdas/lambda_layers/requirements5.txt

@@ -1,4 +1,4 @@
-gspread==6.2.0
+gspread==6.2.1
 oauth2client==4.1.3
 google-api-python-client==2.169.0
 yagmail==0.15.293