fix(deps): update dependency de.undercouch:gradle-download-task to v5.6.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	OpenSSF
de.undercouch:gradle-download-task	dependencies	minor	5.5.0 -> 5.6.0

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Release Notes

michel-kraemer/gradle-download-task (de.undercouch:gradle-download-task)

v5.6.0

Compare Source

New features:

• Add possibility to configure HTTP status code validator (using the validateStatus property)
• Add integration tests for Gradle versions up to 8.6

Bug fixes:

• Do not unnecessarily enable preemptive auth for proxy (possible security issue)
• Remove sensitive headers from request after redirect (possible security issue).
  Thanks to @​diederikfaber for reporting this and to @​dtretyakov and @​eghobo for the pointers.
• Really log all requests (including redirects) and all headers in debug mode.
  It seems something has changed in Apache HttpClient since we initially implemented this feature.

Maintenance:

• Update dependencies
• Update to Gradle 8.6
• Fix some warnings in build script
• Set dependabot interval to weekly
• Split CI tests of Gradle 7.x versions

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