* chore: update google-java-format to the latest

b/395190324

* chore: do downstream lint test using java 17 and 21

* chore: adapt to new showcase folder in sdk-platform-java

* chore: remove lint from Java 7 and 11 downstream jobs

* deps: update fmt-maven-plugin to 2.13

* use the latest spotify fmt plugin

* deps: use proper group ID for latest fmt plugin

* add debug command to test fmt version

* use spotify fmt plugin in lint job

* fix string replacement

* correct indentation, explain further removal of sed

* chore: adapt sync repo settings to new lint jobs

🤖 I have created a release *beep* *boop*
---


### Updating meta-information for bleeding-edge SNAPSHOT release.

---
This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).

🤖 I have created a release *beep* *boop*
---


## [1.15.1](https://togithub.com/googleapis/java-shared-config/compare/v1.15.0...v1.15.1) (2025-03-26)


### Dependencies

* Update google-java-format to the latest ([aa78b13](https://togithub.com/googleapis/java-shared-config/commit/aa78b13e765259d70c20e8a50bde92b3ab33a8a1))

---
This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).