Bump checkstyle from 8.17 to 8.18 (#170)

* Bump checkstyle from 8.17 to 8.18

Bumps [checkstyle](https://github.com/checkstyle/checkstyle) from 8.17 to 8.18.
- [Release notes](https://github.com/checkstyle/checkstyle/releases)
- [Commits](https://github.com/checkstyle/checkstyle/compare/checkstyle-8.17...checkstyle-8.18)

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

* [changelog] updated

CHANGELOG.org

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
    - Bump tiles-maven-plugin from 2.12 to 2.13 (#169)
    - Bump mockito-core from 2.23.4 to 2.24.5 (#171)
    - Bump classgraph from 4.6.29 to 4.8.11 (#172)
+   - Bump checkstyle from 8.17 to 8.18 (#170)
 
 * [5.3.3] - 2019-02-02
 

builder/pom.xml

@@ -22,7 +22,7 @@
         <tiles-maven-plugin.version>2.13</tiles-maven-plugin.version>
         <kemitix-tiles.version>1.1.0</kemitix-tiles.version>
 
-        <checkstyle.version>8.17</checkstyle.version>
+        <checkstyle.version>8.18</checkstyle.version>
         <sevntu.version>1.32.0</sevntu.version>
         <lombok.version>1.18.6</lombok.version>
         <spring-platform.version>Brussels-SR6</spring-platform.version>

tile/pom.xml

@@ -21,7 +21,7 @@
         <kemitix-maven-tiles.version>0.8.1</kemitix-maven-tiles.version>
 
         <maven-checkstyle-plugin.version>3.0.0</maven-checkstyle-plugin.version>
-        <checkstyle.version>8.17</checkstyle.version>
+        <checkstyle.version>8.18</checkstyle.version>
         <sevntu.version>1.32.0</sevntu.version>
 
         <kemitix.checkstyle.ruleset.version>${project.version}</kemitix.checkstyle.ruleset.version>