Updated dependencies to the latest versions that support Java 7

Author: Nadahar

pom.xml

@@ -10,6 +10,9 @@
 	<artifactId>cast-api</artifactId>
 	<version>0.2.0-SNAPSHOT</version>
 	<packaging>jar</packaging>
+	<prerequisites>
+		<maven>3.2.5</maven>
+	</prerequisites>
 
 	<name>DigitalMediaServer Cast API</name>
 	<description>Partial implementation of the Google Cast protocol</description>
@@ -50,7 +53,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<jackson.version>2.12.3</jackson.version>
+		<jackson.version>2.12.7.2</jackson.version>
 		<slf4j.version>[1.7.2,1.7.100]</slf4j.version>
 		<pluginPluginVersion>3.5.2</pluginPluginVersion>
 		<javadocPluginVersion>3.0.1</javadocPluginVersion>
@@ -61,17 +64,17 @@
 		<dependency>
 			<groupId>org.jmdns</groupId>
 			<artifactId>jmdns</artifactId>
-			<version>3.5.7</version>
+			<version>3.6.2</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>2.6.0</version>
+			<version>3.21.7</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-annotations</artifactId>
-			<version>${jackson.version}</version>
+			<version>2.12.7</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
@@ -86,7 +89,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.13.1</version>
+			<version>4.13.2</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
@@ -98,13 +101,13 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
-			<version>1.2.11</version>
+			<version>1.2.13</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-core</artifactId>
-			<version>1.2.11</version>
+			<version>1.2.13</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
@@ -159,7 +162,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-gpg-plugin</artifactId>
-						<version>1.6</version>
+						<version>3.0.1</version>
 						<executions>
 							<execution>
 								<id>sign-artifacts</id>
@@ -190,7 +193,7 @@
 									<pluginExecutionFilter>
 										<groupId>org.apache.felix</groupId>
 										<artifactId>maven-bundle-plugin</artifactId>
-										<versionRange>[3.0.1,)</versionRange>
+										<versionRange>3.5.1</versionRange>
 										<goals>
 											<goal>manifest</goal>
 										</goals>
@@ -209,7 +212,7 @@
 			<plugin>
 				<groupId>org.apache.felix</groupId>
 				<artifactId>maven-bundle-plugin</artifactId>
-				<version>3.0.1</version>
+				<version>3.5.1</version>
 				<executions>
 					<execution>
 						<id>bundle-manifest</id>
@@ -223,15 +226,15 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.2</version>
+				<version>3.8.1</version>
 				<configuration>
 					<source>1.7</source>
 					<target>1.7</target>
 				</configuration>
 			</plugin>
 			<plugin>
 				<artifactId>maven-jar-plugin</artifactId>
-				<version>2.6</version>
+				<version>3.2.2</version>
 				<configuration>
 					<archive>
 						<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
@@ -241,7 +244,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-release-plugin</artifactId>
-				<version>2.5.3</version>
+				<version>3.0.1</version>
 			</plugin>
 			<plugin>
 				<groupId>org.sonatype.plugins</groupId>