deps: bump org.agrona:agrona from 1.19.2 to 1.20.0

Bumps [org.agrona:agrona](https://github.com/real-logic/agrona) from 1.19.2 to 1.20.0.
- [Release notes](https://github.com/real-logic/agrona/releases)
- [Commits](aeron-io/agrona@1.19.2...1.20.0)

---
updated-dependencies:
- dependency-name: org.agrona:agrona
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -56,7 +56,7 @@
     <spotless.check.skip>${skipChecks}</spotless.check.skip>
 
     <!-- project dependencies -->
-    <version.agrona>1.19.2</version.agrona>
+    <version.agrona>1.20.0</version.agrona>
     <version.apiguardian>1.1.2</version.apiguardian>
     <version.asm>9.3</version.asm>
     <version.assertj>3.24.2</version.assertj>