Update dependency org.projectlombok:lombok to v1.18.20

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.projectlombok:lombok (source)	1.18.18 -> 1.18.20

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Release Notes

rzwitserloot/lombok

### [`v1.18.20`](https://togithub.com/rzwitserloot/lombok/compare/v1.18.18...v1.18.20) [Compare Source](https://togithub.com/rzwitserloot/lombok/compare/v1.18.18...v1.18.20)

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