chore(deps): update actions/setup-java action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-java	action	major	v3 -> v4

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Release Notes

actions/setup-java (actions/setup-java)

v4

Compare Source

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Configuration

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PR-Codex overview

This PR updates the version of the actions/setup-java action from v3 to v4 in the .github/workflows/codecov.yml and .github/workflows/mvn.yml files.

Detailed summary

• Updated the version of the actions/setup-java action from v3 to v4 in .github/workflows/codecov.yml file.
• Updated the version of the actions/setup-java action from v3 to v4 in .github/workflows/mvn.yml file.
• Set the Java distribution to 'temurin' in both files.
• Set the Java version to 11 in both files.
• In .github/workflows/mvn.yml, used the matrix.java variable for the Java version.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

[yegor256]

@rultor please, try to merge, since 8 checks have passed

[rultor]

@rultor please, try to merge, since 8 checks have passed

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor please, try to merge, since 8 checks have passed

@yegor256 Done! FYI, the full log is here (took me 25min)