chore(java): Bump org.assertj:assertj-core from 3.27.6 to 3.27.7 in /java (#3912)

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj)
from 3.27.6 to 3.27.7.

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

Author: dependabot[bot]

java/pom.xml

@@ -160,7 +160,7 @@
       <dependency>
         <groupId>org.assertj</groupId>
         <artifactId>assertj-core</artifactId>
-        <version>3.27.6</version>
+        <version>3.27.7</version>
       </dependency>
       <dependency>
         <groupId>org.junit</groupId>