chore(deps): update dependency com.google.cloud.samples:shared-configuration to v1.0.18

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.cloud.samples:shared-configuration	patch	1.0.15 -> 1.0.18
com.google.cloud.samples:shared-configuration	patch	1.0.12 -> 1.0.18

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[codecov]

Codecov Report

Merging #157 into master will increase coverage by 1.55%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #157      +/-   ##
============================================
+ Coverage     75.17%   76.73%   +1.55%     
+ Complexity      593      579      -14     
============================================
  Files            42       42              
  Lines          3646     3426     -220     
  Branches        251      237      -14     
============================================
- Hits           2741     2629     -112     
+ Misses          757      651     -106     
+ Partials        148      146       -2     

Impacted Files	Coverage Δ	Complexity Δ
...cloud/logging/v2/stub/GrpcConfigServiceV2Stub.java	96.00% <0.00%> (-0.48%)	19.00% <0.00%> (-3.00%)
.../logging/v2/stub/MetricsServiceV2StubSettings.java	82.22% <0.00%> (-0.39%)	16.00% <0.00%> (ø%)
...ain/java/com/google/cloud/logging/LoggingImpl.java	87.90% <0.00%> (-0.17%)	73.00% <0.00%> (ø%)
...ava/com/google/cloud/logging/v2/MetricsClient.java	60.63% <0.00%> (ø)	23.00% <0.00%> (ø%)
...a/com/google/cloud/logging/v2/LoggingSettings.java	42.10% <0.00%> (ø)	4.00% <0.00%> (ø%)
...a/com/google/cloud/logging/v2/MetricsSettings.java	37.83% <0.00%> (ø)	3.00% <0.00%> (ø%)
...le/cloud/logging/v2/stub/LoggingServiceV2Stub.java	11.11% <0.00%> (ø)	1.00% <0.00%> (ø%)
...le/cloud/logging/v2/stub/MetricsServiceV2Stub.java	14.28% <0.00%> (ø)	1.00% <0.00%> (ø%)
...loud/logging/v2/stub/GrpcLoggingServiceV2Stub.java	90.40% <0.00%> (ø)	12.00% <0.00%> (ø%)
...loud/logging/v2/stub/GrpcMetricsServiceV2Stub.java	92.24% <0.00%> (ø)	12.00% <0.00%> (ø%)
... and 6 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8cbf0af...64d818a. Read the comment docs.

[gcf-merge-on-green]

Your PR has attempted to merge for 3 hours. Please check that all required checks have passed, you have an automerge label, and that all your reviewers have approved the PR

[gcf-merge-on-green]

Your PR has attempted to merge for 3 hours. Please check that all required checks have passed, you have an automerge label, and that all your reviewers have approved the PR

[gcf-merge-on-green]

Merge-on-green attempted to merge your PR for 6 hours, but it was not mergeable because either one of your required status checks failed, or one of your required reviews was not approved. Learn more about your required status checks here: https://help.github.com/en/github/administering-a-repository/enabling-required-status-checks. You can remove and reapply the label to re-run the bot.

[gcf-merge-on-green]

Merge-on-green attempted to merge your PR for 6 hours, but it was not mergeable because either one of your required status checks failed, or one of your required reviews was not approved. Learn more about your required status checks here: https://help.github.com/en/github/administering-a-repository/enabling-required-status-checks. You can remove and reapply the label to re-run the bot.