chore(deps): bump pyasn1 from 0.6.1 to 0.6.2 in /.kokoro/docs/docker (#8868)

Bumps [pyasn1](https://github.com/pyasn1/pyasn1) from 0.6.1 to 0.6.2.
- [Release notes](https://github.com/pyasn1/pyasn1/releases)
- [Changelog](https://github.com/pyasn1/pyasn1/blob/main/CHANGES.rst)
- [Commits](pyasn1/pyasn1@v0.6.1...v0.6.2)

---
updated-dependencies:
- dependency-name: pyasn1
  dependency-version: 0.6.2
  dependency-type: indirect
...

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

Author: dependabot[bot]

.kokoro/docs/docker/requirements.txt

@@ -120,9 +120,9 @@ protobuf==6.32.1 \
     #   google-api-core
     #   googleapis-common-protos
     #   proto-plus
-pyasn1==0.6.1 \
-    --hash=sha256:0d632f46f2ba09143da3a8afe9e33fb6f92fa2320ab7e886e2d0f7672af84629 \
-    --hash=sha256:6f580d2bdd84365380830acf45550f2511469f673cb4a5ae3857a3170128b034
+pyasn1==0.6.2 \
+    --hash=sha256:1eb26d860996a18e9b6ed05e7aae0e9fc21619fcee6af91cca9bad4fbea224bf \
+    --hash=sha256:9b59a2b25ba7e4f8197db7686c09fb33e658b98339fadb826e9512629017833b
     # via
     #   pyasn1-modules
     #   rsa