[enhancement] update dependencies and plugins to the latest version (#5)

pom.xml

@@ -30,17 +30,18 @@
     </licenses>
 
     <scm>
-        <connection>scm:git:https://github.com/mimdal/maven-save-wsdl-plugin.git</connection>
         <url>https://github.com/mimdal/repositories</url>
+        <connection>scm:git:https://github.com/mimdal/maven-save-wsdl-plugin.git</connection>
         <developerConnection>scm:git:https://github.com/mimdal/maven-save-wsdl-plugin.git</developerConnection>
-      <tag>HEAD</tag>
-  </scm>
+        <tag>HEAD</tag>
+    </scm>
 
     <dependencies>
         <dependency>
             <groupId>org.apache.maven</groupId>
             <artifactId>maven-plugin-api</artifactId>
             <version>${maven-plugin-api.version}</version>
+            <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.maven.plugin-tools</groupId>
@@ -50,22 +51,24 @@
         </dependency>
         <dependency>
             <groupId>org.apache.maven</groupId>
-            <artifactId>maven-project</artifactId>
+            <artifactId>maven-core</artifactId>
             <version>${maven-project.version}</version>
+            <scope>provided</scope>
         </dependency>
         <!-- xml libraries -->
         <dependency>
             <groupId>org.dom4j</groupId>
             <artifactId>dom4j</artifactId>
             <version>${dom4j.version}</version>
         </dependency>
-        <!-- utils -->
+        <!-- jaxen is needed by dom4j for xpath support. -->
         <dependency>
             <groupId>jaxen</groupId>
             <artifactId>jaxen</artifactId>
-            <version>1.1.4</version>
+            <version>1.2.0</version>
+            <scope>runtime</scope>
         </dependency>
-        <!-- Jaxen is needed by dom4j for xpath support. -->
+        <!-- utils -->
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
@@ -80,10 +83,29 @@
                     <artifactId>maven-plugin-plugin</artifactId>
                     <version>${maven-plugin-plugin.version}</version>
                 </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-resources-plugin</artifactId>
+                    <version>3.3.0</version>
+                </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.10.1</version>
+                    <configuration>
+                        <source>${java.version}</source>
+                        <target>${java.version}</target>
+                    </configuration>
+                </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-jar-plugin</artifactId>
+                    <version>3.3.0</version>
+                </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>3.2.0</version>
+                    <version>3.2.1</version>
                     <executions>
                         <execution>
                             <id>attach-sources</id>
@@ -96,7 +118,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>3.1.1</version>
+                    <version>3.4.1</version>
                     <executions>
                         <execution>
                             <id>attach-javadocs</id>
@@ -119,7 +141,7 @@
                 <plugin>
                     <groupId>org.sonatype.plugins</groupId>
                     <artifactId>nexus-staging-maven-plugin</artifactId>
-                    <version>1.6</version>
+                    <version>1.6.13</version>
                     <extensions>true</extensions>
                     <configuration>
                         <nexusUrl>https://oss.sonatype.org/service/local/staging/deploy/maven2/</nexusUrl>
@@ -131,14 +153,14 @@
     </build>
 
     <properties>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven-plugin-api.version>3.6.2</maven-plugin-api.version>
-        <maven-plugin-annotations.version>3.6.0</maven-plugin-annotations.version>
-        <maven-project.version>2.2.1</maven-project.version>
-        <maven-plugin-plugin.version>3.6.0</maven-plugin-plugin.version>
-        <dom4j.version>[2.1.3,)</dom4j.version>
-        <commons-io.version>2.7</commons-io.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <java.version>8</java.version>
+        <maven-plugin-api.version>3.8.6</maven-plugin-api.version>
+        <maven-plugin-annotations.version>3.7.0</maven-plugin-annotations.version>
+        <maven-project.version>3.8.6</maven-project.version>
+        <maven-plugin-plugin.version>3.7.0</maven-plugin-plugin.version>
+        <dom4j.version>2.1.3</dom4j.version>
+        <commons-io.version>2.11.0</commons-io.version>
     </properties>
 
 </project>