Merge pull request #10 from houdini68/dependabot/maven/org.springframework-spring-core-5.3.20

Bump spring-core from 5.3.14 to 5.3.20

Author: houdini68

pom.xml

@@ -19,7 +19,7 @@
         <junit.version>4.13.1</junit.version>
         <assertj.version>3.15.0</assertj.version>
         <mockito.version>3.3.3</mockito.version>
-        <springframework.version>5.3.14</springframework.version>
+        <springframework.version>5.3.20</springframework.version>
         <joda-time.version>2.10.2</joda-time.version>
         <jackson.version>2.12.1</jackson.version>
     </properties>