Complete dependency management for JavaBeans Activation Framework

Fixes gh-17062

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -750,6 +750,11 @@
 				<artifactId>sendgrid-java</artifactId>
 				<version>${sendgrid.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>com.sun.activation</groupId>
+				<artifactId>javax.activation</artifactId>
+				<version>${javax-activation.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>com.sun.mail</groupId>
 				<artifactId>javax.mail</artifactId>