Bump Maven dependencies and plugins

pom.xml

@@ -309,7 +309,7 @@
 		<dependency>
 			<groupId>org.checkerframework</groupId>
 			<artifactId>checker-qual</artifactId>
-			<version>2.1.14</version>
+			<version>2.2.0</version>
 		</dependency>
 	</dependencies>
 
@@ -335,7 +335,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.6.2</version>
+				<version>3.7.0</version>
 				<configuration>
 					<source>1.8</source>
 					<target>1.8</target>
@@ -379,7 +379,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>2.20</version>
+				<version>2.20.1</version>
 			</plugin>
 			<plugin>
 				<groupId>org.jacoco</groupId>