chore(deps): bump requests from 2.31.0 to 2.32.2 in /.kokoro (#3032)

Bumps [requests](https://github.com/psf/requests) from 2.31.0 to 2.32.2.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.31.0...v2.32.2)

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

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

.kokoro/requirements.txt

@@ -159,9 +159,9 @@ pyasn1-modules==0.3.0 \
     --hash=sha256:5bd01446b736eb9d31512a30d46c1ac3395d676c6f3cafa4c03eb54b9925631c \
     --hash=sha256:d3ccd6ed470d9ffbc716be08bd90efbd44d0734bc9303818f7336070984a162d
     # via google-auth
-requests==2.31.0 \
-    --hash=sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f \
-    --hash=sha256:942c5a758f98d790eaed1a29cb6eefc7ffb0d1cf7af05c3d2791656dbd6ad1e1
+requests==2.32.2 \
+    --hash=sha256:dd951ff5ecf3e3b3aa26b40703ba77495dab41da839ae72ef3c8e5d8e2433289 \
+    --hash=sha256:fc06670dd0ed212426dfeb94fc1b983d917c4f9847c863f313c9dfaaffb7c23c
     # via
     #   google-api-core
     #   google-cloud-storage