update org.springframework:spring-core 5.2.12.RELEASE to 5.2.19.RELEASE

Author: Huoxi-any

pom.xml

@@ -54,7 +54,7 @@
         <httpmime.version>4.5.4</httpmime.version>
         <beanutils.version>1.9.4</beanutils.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.version>5.2.12.RELEASE</spring.version>
+        <spring.version>5.2.19.RELEASE</spring.version>
         <mybatis.spring.boot.version>2.1.2</mybatis.spring.boot.version>
         <spring.boot.version>2.3.7.RELEASE</spring.boot.version>
         <spring.cloud.version>2.2.6.RELEASE</spring.cloud.version>