build(deps): bump really-executable-jar-maven-plugin from 2.0.0 to 2.1.0 (#1969)

Bumps [really-executable-jar-maven-plugin](https://github.com/brianm/really-executable-jar-maven-plugin) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/brianm/really-executable-jar-maven-plugin/releases)
- [Commits](https://github.com/brianm/really-executable-jar-maven-plugin/commits)

---
updated-dependencies:
- dependency-name: org.skife.maven:really-executable-jar-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

apt-test-generator/pom.xml

@@ -118,7 +118,7 @@
       <plugin>
         <groupId>org.skife.maven</groupId>
         <artifactId>really-executable-jar-maven-plugin</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0</version>
         <configuration>
           <programFile>github</programFile>
         </configuration>

benchmark/pom.xml

@@ -157,7 +157,7 @@
       <plugin>
         <groupId>org.skife.maven</groupId>
         <artifactId>really-executable-jar-maven-plugin</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0</version>
         <configuration>
           <programFile>benchmark</programFile>
         </configuration>

example-github-with-coroutine/pom.xml

@@ -79,7 +79,7 @@
       <plugin>
         <groupId>org.skife.maven</groupId>
         <artifactId>really-executable-jar-maven-plugin</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0</version>
         <configuration>
           <programFile>github</programFile>
         </configuration>

example-github/pom.xml

@@ -75,7 +75,7 @@
       <plugin>
         <groupId>org.skife.maven</groupId>
         <artifactId>really-executable-jar-maven-plugin</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0</version>
         <configuration>
           <programFile>github</programFile>
         </configuration>

example-wikipedia-with-springboot/pom.xml

@@ -90,7 +90,7 @@
       <plugin>
         <groupId>org.skife.maven</groupId>
         <artifactId>really-executable-jar-maven-plugin</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0</version>
         <configuration>
           <programFile>wikipedia</programFile>
         </configuration>

example-wikipedia/pom.xml

@@ -76,7 +76,7 @@
       <plugin>
         <groupId>org.skife.maven</groupId>
         <artifactId>really-executable-jar-maven-plugin</artifactId>
-        <version>2.0.0</version>
+        <version>2.1.0</version>
         <configuration>
           <programFile>wikipedia</programFile>
         </configuration>