deps: bump spring-boot-dependencies.version from 3.0.6 to 3.1.0 (#1876)

* deps: bump spring-boot-dependencies.version from 3.0.6 to 3.1.0

Bumps `spring-boot-dependencies.version` from 3.0.6 to 3.1.0.

Updates `spring-boot-dependencies` from 3.0.6 to 3.1.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.0.6...v3.1.0)

Updates `spring-boot-configuration-processor` from 3.0.6 to 3.1.0
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.0.6...v3.1.0)

---
updated-dependencies:
- dependency-name: org.springframework.boot:spring-boot-dependencies
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.springframework.boot:spring-boot-configuration-processor
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* fix: force Mockito 4.x

* Override Mockito version to avoid inheriting 5.x from Spring Boot 3.1
* varags handling in Mockito 5.x currently breaks tests

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Mike Eltsufin <meltsufin@google.com>

pom.xml

@@ -37,7 +37,7 @@
 		<project.parent.version>${project.version}</project.parent.version>
 		<!-- Dependency versions -->
 		<spring-cloud-dependencies.version>2022.0.3</spring-cloud-dependencies.version>
-		<spring-boot-dependencies.version>3.0.6</spring-boot-dependencies.version>
+		<spring-boot-dependencies.version>3.1.0</spring-boot-dependencies.version>
 		<spring-cloud-gcp-dependencies.version>${project.parent.version}</spring-cloud-gcp-dependencies.version>
 		<zipkin-gcp.version>1.0.4</zipkin-gcp.version>
 		<java-cfenv.version>2.4.2</java-cfenv.version>
@@ -192,6 +192,8 @@
 		<dependency>
 			<groupId>org.mockito</groupId>
 			<artifactId>mockito-core</artifactId>
+			<!-- varags handling in mockito 5.x currently breaks tests -->
+			<version>4.11.0</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>