Bump jcabi-matchers from 1.4 to 1.5.1

Bumps [jcabi-matchers](https://github.com/jcabi/jcabi-matchers) from 1.4 to 1.5.1.
- [Release notes](https://github.com/jcabi/jcabi-matchers/releases)
- [Commits](https://github.com/jcabi/jcabi-matchers/commits)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

pom.xml

@@ -107,7 +107,7 @@
         <dependency>
             <groupId>com.jcabi</groupId>
             <artifactId>jcabi-matchers</artifactId>
-            <version>1.4</version>
+            <version>1.5.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>