fix: upgrade org.apache.maven:maven-plugin-api from 3.6.3 to 3.8.1 (#387)

Snyk has created this PR to upgrade org.apache.maven:maven-plugin-api from 3.6.3 to 3.8.1.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.apache.maven/maven-plugin-api/

See this project in Snyk:
https://app.snyk.io/org/quickfix-j/project/50fe797e-f509-4fbc-8918-986f7f344a52?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

quickfixj-codegenerator/pom.xml

@@ -25,7 +25,7 @@
 		<dependency>
 			<groupId>org.apache.maven</groupId>
 			<artifactId>maven-plugin-api</artifactId>
-			<version>3.6.3</version>
+			<version>3.8.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.maven</groupId>