Bump jackson-version

Bumps `jackson-version` from 2.10.2 to 2.12.1.

Updates `jackson-jaxrs-base` from 2.10.2 to 2.12.1
- [Release notes](https://github.com/FasterXML/jackson-jaxrs-providers/releases)
- [Commits](https://github.com/FasterXML/jackson-jaxrs-providers/compare/jackson-jaxrs-providers-2.10.2...jackson-jaxrs-providers-2.12.1)

Updates `jackson-core` from 2.10.2 to 2.12.1
- [Release notes](https://github.com/FasterXML/jackson-core/releases)
- [Commits](https://github.com/FasterXML/jackson-core/compare/jackson-core-2.10.2...jackson-core-2.12.1)

Updates `jackson-annotations` from 2.10.2 to 2.12.1
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

Updates `jackson-databind` from 2.10.2 to 2.12.1
- [Release notes](https://github.com/FasterXML/jackson/releases)
- [Commits](https://github.com/FasterXML/jackson/commits)

Updates `jackson-jaxrs-json-provider` from 2.10.2 to 2.12.1

Updates `jackson-datatype-joda` from 2.10.2 to 2.12.1
- [Release notes](https://github.com/FasterXML/jackson-datatype-joda/releases)
- [Commits](https://github.com/FasterXML/jackson-datatype-joda/compare/jackson-datatype-joda-2.10.2...jackson-datatype-joda-2.12.1)

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

spring-boot/spring-boot-openapi-impl/specification/pom.xml

@@ -13,7 +13,7 @@
 
         <swagger-annotations-version>1.5.22</swagger-annotations-version>
         <jersey-version>2.27</jersey-version>
-        <jackson-version>2.10.2</jackson-version>
+        <jackson-version>2.12.1</jackson-version>
         <jodatime-version>2.7</jodatime-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <junit-version>4.8.1</junit-version>