deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v0.21.1

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.cloud:google-cloud-shared-dependencies	0.21.0 -> 0.21.1

---

Release Notes

googleapis/java-shared-dependencies

v0.21.1

Compare Source

---

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 this update 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 #198 (d9e2e84) into master (f0042eb) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #198   +/-   ##
=========================================
  Coverage     84.75%   84.75%           
  Complexity      349      349           
=========================================
  Files             6        6           
  Lines          2564     2564           
  Branches         34       34           
=========================================
  Hits           2173     2173           
  Misses          341      341           
  Partials         50       50           

---

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 f0042eb...d9e2e84. Read the comment docs.

[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, one of your required reviews was not approved, or there is a do not merge label. 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, one of your required reviews was not approved, or there is a do not merge label. 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.