Bumping the dependency versions

Author: littleclay

README.md

@@ -16,7 +16,7 @@ For instance, if you write a new class that overrides the `equals` method but fo
 <dependency>
     <groupId>com.redfin</groupId>
     <artifactId>contractual</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0</version>
     <scope>test</scope>
 </dependency>
 ```

pom.xml

@@ -8,7 +8,7 @@
 
     <groupId>com.redfin</groupId>
     <artifactId>contractual</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0</version>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
 
@@ -67,8 +67,8 @@
         <project.build.sourceEncoding>${encoding}</project.build.sourceEncoding>
         <project.reporting.outputEncoding>${encoding}</project.reporting.outputEncoding>
         <min.java.version>1.8</min.java.version>
-        <junit.platform.version>1.0.2</junit.platform.version>
-        <junit.jupiter.version>5.0.2</junit.jupiter.version>
+        <junit.platform.version>1.5.2</junit.platform.version>
+        <junit.jupiter.version>5.5.2</junit.jupiter.version>
     </properties>
 
     <!-- Code Dependencies - Version Management -->
@@ -79,7 +79,7 @@
             <dependency>
                 <groupId>com.redfin</groupId>
                 <artifactId>insist</artifactId>
-                <version>4.1.0</version>
+                <version>4.3.0</version>
             </dependency>
             <dependency>
                 <groupId>org.junit.jupiter</groupId>
@@ -126,7 +126,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-gpg-plugin</artifactId>
-                    <version>1.5</version>
+                    <version>1.6</version>
                 </plugin>
                 <plugin>
                     <groupId>org.sonatype.plugins</groupId>
@@ -151,19 +151,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>2.19</version>
-                    <dependencies>
-                        <dependency>
-                            <groupId>org.junit.platform</groupId>
-                            <artifactId>junit-platform-surefire-provider</artifactId>
-                            <version>${junit.platform.version}</version>
-                        </dependency>
-                        <dependency>
-                            <groupId>org.junit.jupiter</groupId>
-                            <artifactId>junit-jupiter-engine</artifactId>
-                            <version>${junit.jupiter.version}</version>
-                        </dependency>
-                    </dependencies>
+                    <version>2.22.2</version>
                 </plugin>
             </plugins>
         </pluginManagement>