Bump annotations from 19.0.0 to 20.1.0 (#257)

Bumps [annotations](https://github.com/JetBrains/java-annotations) from 19.0.0 to 20.1.0.
- [Release notes](https://github.com/JetBrains/java-annotations/releases)
- [Changelog](https://github.com/JetBrains/java-annotations/blob/master/CHANGELOG.md)
- [Commits](JetBrains/java-annotations@19.0.0...20.1.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

pom.xml

@@ -52,7 +52,7 @@
         <dependency>
             <groupId>org.jetbrains</groupId>
             <artifactId>annotations</artifactId>
-            <version>19.0.0</version>
+            <version>20.1.0</version>
         </dependency>
 
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