fix: upgrade io.netty:netty-all from 4.1.43.Final to 4.1.100.Final

Snyk has created this PR to upgrade io.netty:netty-all from 4.1.43.Final to 4.1.100.Final.

See this package in Maven Repository:
https://mvnrepository.com/artifact/io.netty/netty-all/

See this project in Snyk:
https://app.snyk.io/org/maricaantonacci/project/8cfdd008-f372-4a82-8f72-80f130aa1464?utm_source=github&utm_medium=referral&page=upgrade-pr

pom.xml

@@ -29,7 +29,7 @@
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
     <version>1.5.21.RELEASE</version>
-    <relativePath /> <!-- lookup parent from repository -->
+    <relativePath/> <!-- lookup parent from repository -->
   </parent>
 
   <licenses>
@@ -345,7 +345,7 @@
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>
-      <version>4.1.43.Final</version>
+      <version>4.1.100.Final</version>
     </dependency>
 
     <dependency>
@@ -645,7 +645,7 @@
                     </goals>
                   </pluginExecutionFilter>
                   <action>
-                    <ignore />
+                    <ignore/>
                   </action>
                 </pluginExecution>
               </pluginExecutions>