fix(deps): update dependency io.projectreactor:reactor-core to v3.6.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.projectreactor:reactor-core	3.6.2 -> 3.6.3

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Release Notes

reactor/reactor-core (io.projectreactor:reactor-core)

v3.6.3

Reactor Core 3.6.3 is part of 2023.0.3 Release Train.

What's Changed

✨ New features and improvements

• Add AutoCloseable shourtcut on Flux#using, Mono#using by @​injae-kim in https://github.com/reactor/reactor-core/pull/3704

📖 Documentation, Tests and Build

• Ignoring flaky JCStress tests by @​chemicL in https://github.com/reactor/reactor-core/pull/3690
• Fix flaky TimedScheduler periodic scheduling tests by @​Nicolas125841 in https://github.com/reactor/reactor-core/pull/3677
• Bump gradle/gradle-build-action from 2.9.0 to 3.0.0 in /.github/workflows by @​dependabot in https://github.com/reactor/reactor-core/pull/3712
• Bump actions/setup-java from 3.13.0 to 4.0.0 in /.github/workflows by @​dependabot in https://github.com/reactor/reactor-core/pull/3654
• Bump actions/checkout from 4.1.0 to 4.1.1 in /.github/workflows by @​dependabot in https://github.com/reactor/reactor-core/pull/3622
• Bump gradle/wrapper-validation-action from 1.1.0 to 2.0.1 in /.github/workflows by @​dependabot in https://github.com/reactor/reactor-core/pull/3717
• Nightly build to run jcstress weekly, snapshots daily by @​chemicL in https://github.com/reactor/reactor-core/pull/3716
• Adds other JDKs to snapshots workflow by @​chemicL in https://github.com/reactor/reactor-core/pull/3720
• Restore java21Test back into workflows by @​chemicL in https://github.com/reactor/reactor-core/pull/3721
• Exclude java21 tests from 3.5.x in snapshots workflow by @​chemicL in https://github.com/reactor/reactor-core/pull/3722
• Switch jcstress mode to quick in nightly workflow by @​chemicL in https://github.com/reactor/reactor-core/pull/3723

New Contributors

• @​injae-kim made their first contribution in https://github.com/reactor/reactor-core/pull/3704

Full Changelog: reactor/reactor-core@v3.6.2...v3.6.3

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