dependencies: bump com.c4-soft.springaddons:spring-addons-oauth2-test (eclipse-xpanse#2473)

Bumps [com.c4-soft.springaddons:spring-addons-oauth2-test](https://github.com/ch4mpy/spring-addons) from 8.1.2 to 8.1.4.
- [Changelog](https://github.com/ch4mpy/spring-addons/blob/master/release-notes.md)
- [Commits](ch4mpy/spring-addons@spring-addons-8.1.2...spring-addons-8.1.4)

---
updated-dependencies:
- dependency-name: com.c4-soft.springaddons:spring-addons-oauth2-test
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Diff for: pom.xml

@@ -58,7 +58,7 @@
         <system.stubs.version>2.1.7</system.stubs.version>
         <junit4.version>4.13.2</junit4.version>
         <json.smart.version>2.5.0</json.smart.version>
-        <spring.oauth.addon.test.version>8.1.2</spring.oauth.addon.test.version>
+        <spring.oauth.addon.test.version>8.1.4</spring.oauth.addon.test.version>
         <openstack4j.version>3.12</openstack4j.version>
         <jackson.databind.version>2.15.2</jackson.databind.version>
         <huaweicloud.sdk.version>3.1.137</huaweicloud.sdk.version>