chore: group guava with other core dependencies

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Commits in this repo since last synth:
dda944b deps: update core dependencies to v1.92.3 (#60)
3cf369f deps: update dependency com.google.http-client:google-http-client-bom to v1.34.1 (#58)
df69b71 deps: update core dependencies (#53)

Log from Synthtool

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py. .github/ISSUE_TEMPLATE/bug_report.md .github/ISSUE_TEMPLATE/feature_request.md .github/ISSUE_TEMPLATE/support_request.md .github/PULL_REQUEST_TEMPLATE.md .github/release-please.yml .kokoro/build.bat .kokoro/build.sh .kokoro/coerce_logs.sh .kokoro/common.cfg .kokoro/continuous/common.cfg .kokoro/continuous/dependencies.cfg .kokoro/continuous/integration.cfg .kokoro/continuous/java11.cfg .kokoro/continuous/java7.cfg .kokoro/continuous/java8-osx.cfg .kokoro/continuous/java8-win.cfg .kokoro/continuous/java8.cfg .kokoro/continuous/lint.cfg .kokoro/continuous/propose_release.cfg .kokoro/continuous/propose_release.sh .kokoro/continuous/samples.cfg .kokoro/dependencies.sh .kokoro/linkage-monitor.sh .kokoro/nightly/common.cfg .kokoro/nightly/dependencies.cfg .kokoro/nightly/integration.cfg .kokoro/nightly/java11.cfg .kokoro/nightly/java7.cfg .kokoro/nightly/java8-osx.cfg .kokoro/nightly/java8-win.cfg .kokoro/nightly/java8.cfg .kokoro/nightly/lint.cfg .kokoro/nightly/samples.cfg .kokoro/presubmit/clirr.cfg .kokoro/presubmit/common.cfg .kokoro/presubmit/dependencies.cfg .kokoro/presubmit/integration.cfg .kokoro/presubmit/java11.cfg .kokoro/presubmit/java7.cfg .kokoro/presubmit/java8-osx.cfg .kokoro/presubmit/java8-win.cfg .kokoro/presubmit/java8.cfg .kokoro/presubmit/linkage-monitor.cfg .kokoro/presubmit/lint.cfg .kokoro/presubmit/samples.cfg .kokoro/release/bump_snapshot.cfg .kokoro/release/bump_snapshot.sh .kokoro/release/common.cfg .kokoro/release/common.sh .kokoro/release/drop.cfg .kokoro/release/drop.sh .kokoro/release/promote.cfg .kokoro/release/promote.sh .kokoro/release/publish_javadoc.cfg .kokoro/release/publish_javadoc.sh .kokoro/release/snapshot.cfg .kokoro/release/snapshot.sh .kokoro/release/stage.cfg .kokoro/release/stage.sh .kokoro/trampoline.sh CODE_OF_CONDUCT.md CONTRIBUTING.md LICENSE README.md codecov.yaml java.header license-checks.xml renovate.json synthtool > Wrote metadata to synth.metadata. 

[codecov]

Codecov Report

Merging #61 into master will not change coverage.
The diff coverage is n/a.

@@ Coverage Diff @@ ## master #61 +/- ## ========================================= Coverage 78.13% 78.13% Complexity 172 172 ========================================= Files 15 15 Lines 1052 1052 Branches 76 83 +7 ========================================= Hits 822 822 Misses 192 192 Partials 38 38

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