Bump dependency.camel.version from 3.20.4 to 3.21.0

Bumps `dependency.camel.version` from 3.20.4 to 3.21.0.

Updates `camel-core` from 3.20.4 to 3.21.0

Updates `camel-jackson` from 3.20.4 to 3.21.0

Updates `camel-test` from 3.20.4 to 3.21.0

Updates `camel-amqp` from 3.20.4 to 3.21.0

---
updated-dependencies:
- dependency-name: org.apache.camel:camel-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.camel:camel-jackson
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.camel:camel-test
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.apache.camel:camel-amqp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -37,7 +37,7 @@
 
         <dependency.junit.version>4.13.2</dependency.junit.version>
 
-        <dependency.camel.version>3.20.4</dependency.camel.version>
+        <dependency.camel.version>3.21.0</dependency.camel.version>
 
         <dependency.commons-logging.version>1.2</dependency.commons-logging.version>
         <dependency.log4j2.version>2.20.0</dependency.log4j2.version>