Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Bumps [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc) from 42.7.6 to 42.7.7.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.6...REL42.7.7)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-version: 42.7.7
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [requests](https://github.com/psf/requests) from 2.32.0 to 2.32.4.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.32.0...v2.32.4)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.32.4
  dependency-type: indirect
...

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All this configuration has moved into google3.

The only things used in the .kokoro file are the various scripts used by the build.

See googleapis/java-bigtable@d36b57c for reference.

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>