chore(main): release 2.8.15 (#927)

:robot: I have created a release *beep* *boop*
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## [2.8.15](https://github.com/googleapis/java-core/compare/v2.8.14...v2.8.15) (2022-09-23)


### Dependencies

* Update dependency com.google.api.grpc:proto-google-iam-v1 to v1.6.0 ([#925](https://github.com/googleapis/java-core/issues/925)) ([88a8523](https://github.com/googleapis/java-core/commit/88a8523cbfa237d208d7a691bb054db2c58fa42a))
* Update dependency com.google.api.grpc:proto-google-iam-v1 to v1.6.1 ([#926](https://github.com/googleapis/java-core/issues/926)) ([9f348aa](https://github.com/googleapis/java-core/commit/9f348aa669e3fef9268577b847f2b7bf098c798d))

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7 files changed
tree: 7f546868fa023641d6217b870176115a8ed93601
  1. java-core/