feat: Bump fluent-bit to 0.42.0

[mesosphere-ci]

Upgrades the following apps to use version 0.42.0 of chart fluent-bit:

• fluent-bit from version 0.38.0 to 0.42.0

[d2iq-mergebot]

This repo has @d2iq-mergebot integration. You can perform the following commands by submitting a comment. Submit a comment with content "@d2iq-mergebot help" to view more detailed help text and examples. Be sure the have a look at the mergebot documentation, too.For help using mergebot, please refer to the README file here: https://github.com/mesosphere/mergebot/blob/main/README.md
Enabled Mergebot commands:
@d2iq-mergebot test all
@d2iq-mergebot test
@d2iq-mergebot override-status
@d2iq-mergebot help
@d2iq-mergebot backport

[coveralls]

Pull Request Test Coverage Report for Build 7497055646

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 79.532%

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Totals
Change from base Build 7494006119:	0.0%
Covered Lines:	136
Relevant Lines:	171

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💛 - Coveralls

[github-actions]

✅ Created Kommander branch to test kommander-applications changes: https://github.com/mesosphere/kommander/tree/kapps/main/chartbump/fluent-bit-0.42.0

[gracedo]

https://github.com/mesosphere/kommander/pull/4180 i ✅