build(deps): bump protobuf from 3.20.1 to 3.20.2 in /synthtool/gcp/templates/java_library/.kokoro (#1752) (#1079)

* build(deps): bump protobuf from 3.20.1 to 3.20.2 in /synthtool/gcp/templates/java_library/.kokoro (#1752)

build(deps): bump protobuf

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.20.1 to 3.20.2.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.20.1...v3.20.2)

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

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Source-Link: googleapis/synthtool@239f962
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-java:latest@sha256:d5da32501662e4e53365220cc14cfb1d3b9446585397d57dac50171d92556ae7

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Alice <[email protected]>

Author: 3 people

.github/.OwlBot.lock.yaml

@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:bd5071596a47614d1fe15eb766c4255bae330f823b606e1196a3b0c8d2e96fd1
+  digest: sha256:bd5071596a47614d1fe15eb766c4255bae330f823b606e1196a3b0c8d2e96fd1