Bump org.apache.camel:camel-core from 3.9.0 to 3.21.4

Bumps org.apache.camel:camel-core from 3.9.0 to 3.21.4.

---
updated-dependencies:
- dependency-name: org.apache.camel:camel-core
  dependency-type: direct:production
...

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

pom.xml

@@ -37,7 +37,7 @@
     <github.global.server>github</github.global.server>
 
     <!-- dependencies -->
-    <camel.version>3.9.0</camel.version>
+    <camel.version>3.21.4</camel.version>
     <commons.io.version>2.11.0</commons.io.version>
     <commons.lang3.version>3.12.0</commons.lang3.version>
     <httpclient.version>4.5.13</httpclient.version>