Update dependency org.springframework.cloud:spring-cloud-sleuth to v3.0.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.springframework.cloud:spring-cloud-sleuth (source)	3.0.3 -> 3.0.4

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Release Notes

spring-cloud/spring-cloud-sleuth

### [`v3.0.4`](https://togithub.com/spring-cloud/spring-cloud-sleuth/compare/v3.0.3...v3.0.4) [Compare Source](https://togithub.com/spring-cloud/spring-cloud-sleuth/compare/v3.0.3...v3.0.4)

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Configuration

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🚦 Automerge: Enabled.

♻ 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.

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

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[renovate[bot]]

Branch automerge failure

This PR was configured for branch automerge, however this is not possible so it has been raised as a PR instead.

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• Branch has one or more failed status checks

[codecov-commenter]

Codecov Report

Merging #120 (4b273e0) into master (b42b349) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #120   +/-   ##
=========================================
  Coverage     57.57%   57.57%           
  Complexity      122      122           
=========================================
  Files            29       29           
  Lines           495      495           
  Branches         30       30           
=========================================
  Hits            285      285           
  Misses          188      188           
  Partials         22       22           

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