chore(deps): bump software.amazon.glue:schema-registry-serde

Bumps [software.amazon.glue:schema-registry-serde](https://github.com/awslabs/aws-glue-schema-registry) from 1.1.20 to 1.1.21.
- [Release notes](https://github.com/awslabs/aws-glue-schema-registry/releases)
- [Changelog](https://github.com/awslabs/aws-glue-schema-registry/blob/master/CHANGELOG.md)
- [Commits](awslabs/aws-glue-schema-registry@v1.1.20...v1.1.21)

---
updated-dependencies:
- dependency-name: software.amazon.glue:schema-registry-serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle

@@ -167,7 +167,7 @@ dependencies {
     implementation group: 'software.amazon.msk', name: 'aws-msk-iam-auth', version: '2.2.0'
 
     // AWS Glue serde
-    implementation ("software.amazon.glue:schema-registry-serde:1.1.20")
+    implementation ("software.amazon.glue:schema-registry-serde:1.1.21")
 
 
     implementation group: 'io.projectreactor', name: 'reactor-core', version: '3.6.11'