Bump johnzon.version from 1.2.17 to 1.2.18

Bumps `johnzon.version` from 1.2.17 to 1.2.18.

Updates `johnzon-core` from 1.2.17 to 1.2.18

Updates `johnzon-mapper` from 1.2.17 to 1.2.18

---
updated-dependencies:
- dependency-name: org.apache.johnzon:johnzon-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.johnzon:johnzon-mapper
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -9,7 +9,7 @@
         <moshi.version>1.13.0</moshi.version>
         <gson.version>2.9.0</gson.version>
         <hamcrest.version>2.2</hamcrest.version>
-        <johnzon.version>1.2.17</johnzon.version>
+        <johnzon.version>1.2.18</johnzon.version>
         <geronimo.jsonp.version>1.5</geronimo.jsonp.version>
         <jsonorg.version>20220320</jsonorg.version>
         <slf4j.version>1.7.36</slf4j.version>