deps: Update dependency io.projectreactor.netty:reactor-netty to v1.1.19 (#1972)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [io.projectreactor.netty:reactor-netty](https://togithub.com/reactor/reactor-netty) | `1.1.18` -> `1.1.19` | [![age](https://developer.mend.io/api/mc/badges/age/maven/io.projectreactor.netty:reactor-netty/1.1.19?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/io.projectreactor.netty:reactor-netty/1.1.19?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/io.projectreactor.netty:reactor-netty/1.1.18/1.1.19?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/io.projectreactor.netty:reactor-netty/1.1.18/1.1.19?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>reactor/reactor-netty (io.projectreactor.netty:reactor-netty)</summary>

### [`v1.1.19`](https://togithub.com/reactor/reactor-netty/compare/v1.1.18...v1.1.19)

[Compare Source](https://togithub.com/reactor/reactor-netty/compare/v1.1.18...v1.1.19)

</details>

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Author: renovate-bot

pom.xml

@@ -229,7 +229,7 @@
       <dependency>
         <groupId>io.projectreactor.netty</groupId>
         <artifactId>reactor-netty</artifactId>
-        <version>1.1.18</version>
+        <version>1.1.19</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>