Upgraded ktlint-maven-plugin from 0.9.14 to 0.9.15 (#71)

Bumps [ktlint-maven-plugin](https://github.com/gantsign/ktlint-maven-plugin) from 0.9.14 to 0.9.15.
- [Release notes](https://github.com/gantsign/ktlint-maven-plugin/releases)
- [Commits](gantsign/ktlint-maven-plugin@0.9.14...0.9.15)

Signed-off-by: dependabot[bot] <support@dependabot.com>

pom.xml

@@ -173,7 +173,7 @@
         <plugin>
           <groupId>com.github.gantsign.maven</groupId>
           <artifactId>ktlint-maven-plugin</artifactId>
-          <version>0.9.14</version>
+          <version>0.9.15</version>
         </plugin>
         <plugin>
           <groupId>io.github.zlika</groupId>