chore(master): release 0.24.0

[release-please]

🤖 I have created a release *beep* *boop*

0.24.0 (2021-02-19)

Features

• add workload identity federation support (#547) (b8dde1e)

Bug Fixes

• don't log downloads (#576) (6181030)

Documentation

• add instructions for using workload identity federation (#564) (2142db3)

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This PR was generated with Release Please. See documentation.

[codecov]

Codecov Report

Merging #575 (2b2adce) into master (50f0216) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #575   +/-   ##
=========================================
  Coverage     83.32%   83.32%           
- Complexity      569      571    +2     
=========================================
  Files            41       41           
  Lines          2639     2645    +6     
  Branches        267      274    +7     
=========================================
+ Hits           2199     2204    +5     
- Misses          300      301    +1     
  Partials        140      140           

Impacted Files	Coverage Δ	Complexity Δ
.../google/auth/oauth2/ServiceAccountCredentials.java	82.94% <0.00%> (-0.33%)	52.00% <0.00%> (ø%)
...java/com/google/auth/oauth2/StsRequestHandler.java	98.68% <0.00%> (+0.01%)	17.00% <0.00%> (ø%)
...tp/java/com/google/auth/oauth2/UserAuthorizer.java	77.71% <0.00%> (+0.12%)	20.00% <0.00%> (ø%)
...uth/oauth2/ServiceAccountJwtAccessCredentials.java	75.64% <0.00%> (+0.31%)	40.00% <0.00%> (+2.00%)
...h2_http/java/com/google/auth/oauth2/JwtClaims.java	92.85% <0.00%> (+0.54%)	8.00% <0.00%> (ø%)

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[chingor13]

Wait until 2021-02-22

[yoshi-automation]

🤖 Release is at https://github.com/googleapis/google-auth-library-java/releases/tag/v0.24.0 🌻

[release-tool-publish-reporter]

The release build has started, the log can be viewed here. 🌻

[release-tool-publish-reporter]

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