Bump equalsverifier from 3.1.11 to 3.1.12 (#1386)

Bumps [equalsverifier](https://github.com/jqno/equalsverifier) from 3.1.11 to 3.1.12.
- [Release notes](https://github.com/jqno/equalsverifier/releases)
- [Changelog](https://github.com/jqno/equalsverifier/blob/master/CHANGELOG.md)
- [Commits](jqno/equalsverifier@equalsverifier-3.1.11...equalsverifier-3.1.12)

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

Author: dependabot-preview[bot]

exonum-java-binding/pom.xml

@@ -120,7 +120,7 @@
     <mockito.version>3.2.4</mockito.version>
     <guava.version>28.2-jre</guava.version>
     <vertx.version>3.8.5</vertx.version>
-    <equalsverifier.version>3.1.11</equalsverifier.version>
+    <equalsverifier.version>3.1.12</equalsverifier.version>
     <javax-annotation-api.version>1.3.2</javax-annotation-api.version>
     <gson.version>2.8.6</gson.version>
     <auto-value-gson.version>1.3.0</auto-value-gson.version>

exonum-light-client/pom.xml

@@ -73,7 +73,7 @@
     <junit.jupiter.version>5.6.0</junit.jupiter.version>
     <mockito.version>3.2.4</mockito.version>
     <hamcrest.version>2.2</hamcrest.version>
-    <equalsverifier.version>3.1.11</equalsverifier.version>
+    <equalsverifier.version>3.1.12</equalsverifier.version>
     <!--Plugins-->
     <!-- Checkstyle -->
     <checkstyle.severity>warning</checkstyle.severity>