chore(pom.xml): 升级SpringBoot版本2.6.5→2.6.6

pom.xml

@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.6.5</version>
+        <version>2.6.6</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
@@ -36,7 +36,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
 
-        <spring-boot.version>2.6.5</spring-boot.version>
+        <spring-boot.version>2.6.6</spring-boot.version>
         <spring-cloud.version>2021.0.0</spring-cloud.version>
         <spring-cloud-alibaba.version>2021.1</spring-cloud-alibaba.version>