Upgrade spring-boot to 2.4.0-M4

Author: bnasslahsen

pom.xml

@@ -1,4 +1,6 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springdoc</groupId>
 	<artifactId>springdoc-openapi</artifactId>
@@ -11,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.4.RELEASE</version>
+		<version>2.4.0-M4</version>
 	</parent>
 
 	<licenses>
@@ -36,8 +38,8 @@
 		<connection>scm:git:[email protected]:springdoc/springdoc-openapi.git</connection>
 		<developerConnection>scm:git:[email protected]:springdoc/springdoc-openapi.git
 		</developerConnection>
-	  <tag>HEAD</tag>
-  </scm>
+		<tag>HEAD</tag>
+	</scm>
 	<distributionManagement>
 		<snapshotRepository>
 			<id>ossrh</id>
@@ -241,5 +243,14 @@
 			</build>
 		</profile>
 	</profiles>
-
+	<repositories>
+		<repository>
+			<id>spring-milestone</id>
+			<name>Spring Milestone</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</repository>
+	</repositories>
 </project>