升级 spring-boot 到 2.1.9.RELEASE

Author: zlt2000

pom.xml

@@ -47,7 +47,7 @@
         <commons-io.version>2.6</commons-io.version>
         <servlet-api.version>4.0.1</servlet-api.version>
         <spring-cloud-alibaba-dependencies.version>2.1.1.RELEASE</spring-cloud-alibaba-dependencies.version>
-        <spring-boot-dependencies.version>2.1.8.RELEASE</spring-boot-dependencies.version>
+        <spring-boot-dependencies.version>2.1.9.RELEASE</spring-boot-dependencies.version>
         <spring-cloud-dependencies.version>Greenwich.SR3</spring-cloud-dependencies.version>
         <spring-boot-maven-plugin.version>2.1.1.RELEASE</spring-boot-maven-plugin.version>
         <docker-maven-plugin.version>1.2.0</docker-maven-plugin.version>