chore: group guava with other core dependencies

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Commits in this repo since last synth:
0110d5a deps: update core dependencies (#55)
25f78d3 deps: update dependency com.google.http-client:google-http-client-bom to v1.34.1 (#66)

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
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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 #68 into master will decrease coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #68      +/-   ##
============================================
- Coverage     87.14%   87.12%   -0.03%     
  Complexity      209      209              
============================================
  Files            11       11              
  Lines           926      924       -2     
  Branches        100       99       -1     
============================================
- Hits            807      805       -2     
  Misses           86       86              
  Partials         33       33

Impacted Files	Coverage Δ	Complexity Δ
...rcemanager/spi/v1beta1/HttpResourceManagerRpc.java	85.49% <0%> (-0.22%)	13% <0%> (ø)

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