Bump reactor-core from 3.4.4 to 3.4.5
Bump reactor-core from 3.4.4 to 3.4.5

Bumps [reactor-core](https://github.com/reactor/reactor-core) from 3.4.4 to 3.4.5.
- [Release notes](https://github.com/reactor/reactor-core/releases)
- [Commits](https://github.com/reactor/reactor-core/compare/v3.4.4...v3.4.5)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
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