Bump mockito-core from 3.4.2 to 3.4.4 (#1620)

Bumps [mockito-core](https://github.com/mockito/mockito) from 3.4.2 to 3.4.4.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v3.4.2...v3.4.4)

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

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

pom.xml

@@ -47,7 +47,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <slf4j.version>1.7.30</slf4j.version>
         <assertj.version>3.16.1</assertj.version>
-        <mockito.version>3.4.2</mockito.version>
+        <mockito.version>3.4.4</mockito.version>
         <junit.version>4.12</junit.version>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <errorprone.javac.version>9+181-r4173-1</errorprone.javac.version>