Bump org.mockito:mockito-core from 4.9.0 to 5.9.0 in /spi-fly

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 4.9.0 to 5.9.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v4.9.0...v5.9.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

spi-fly/pom.xml

@@ -59,7 +59,7 @@
         <junit-jupiter.version>5.8.2</junit-jupiter.version>
         <junit-platform.version>1.8.2</junit-platform.version>
         <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
-        <mockito.core.version>4.9.0</mockito.core.version>
+        <mockito.core.version>5.9.0</mockito.core.version>
         <osgi.core.version>5.0.0</osgi.core.version>
         <osgi.test.version>1.1.0</osgi.test.version>
         <slf4j.version>1.7.36</slf4j.version>