Bump com.fasterxml.jackson.core:jackson-core in /scala/ppml (#5232)

Bumps [com.fasterxml.jackson.core:jackson-core](https://github.com/FasterXML/jackson-core) from 2.15.0 to 2.18.6.
- [Commits](FasterXML/jackson-core@jackson-core-2.15.0...jackson-core-2.18.6)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-core
  dependency-version: 2.18.6
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

scala/pom.xml

@@ -169,7 +169,7 @@
         <thrift.version>0.9.2</thrift.version>
         <slf4j.version>1.7.7</slf4j.version>
         <log4j.version>2.17.1</log4j.version>
-        <jackson.version>2.15.0</jackson.version>
+        <jackson.version>2.18.6</jackson.version>
         <jetty.version>6.1.26</jetty.version>
         <jetty.jspapi.version>6.1.14</jetty.jspapi.version>
         <commons-cli.version>1.2</commons-cli.version>

scala/ppml/pom.xml

@@ -22,7 +22,7 @@
 	    <dependency>
                 <groupId>com.fasterxml.jackson.core</groupId>
 		<artifactId>jackson-core</artifactId>
-		<version>2.15.0</version>
+		<version>2.18.6</version>
             </dependency>
             <dependency>
                 <groupId>org.scala-lang</groupId>