chore(main): release 0.278.0 (#3583)

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


## [0.278.0](https://togithub.com/googleapis/google-api-go-client/compare/v0.277.0...v0.278.0) (2026-05-05)


### Features

* **all:** Auto-regenerate discovery clients ([#3582](https://togithub.com/googleapis/google-api-go-client/issues/3582)) ([76b1187](https://togithub.com/googleapis/google-api-go-client/commit/76b1187e506ac0f48caac67907dd0805b253f74c))
* **all:** Auto-regenerate discovery clients ([#3584](https://togithub.com/googleapis/google-api-go-client/issues/3584)) ([e36c883](https://togithub.com/googleapis/google-api-go-client/commit/e36c88361d11545583325c3ac6bdbd9cf1f1a7d0))

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

Author: release-please[bot]

CHANGES.md

@@ -1,5 +1,13 @@
 # Changes
 
+## [0.278.0](https://github.com/googleapis/google-api-go-client/compare/v0.277.0...v0.278.0) (2026-05-05)
+
+
+### Features
+
+* **all:** Auto-regenerate discovery clients ([#3582](https://github.com/googleapis/google-api-go-client/issues/3582)) ([76b1187](https://github.com/googleapis/google-api-go-client/commit/76b1187e506ac0f48caac67907dd0805b253f74c))
+* **all:** Auto-regenerate discovery clients ([#3584](https://github.com/googleapis/google-api-go-client/issues/3584)) ([e36c883](https://github.com/googleapis/google-api-go-client/commit/e36c88361d11545583325c3ac6bdbd9cf1f1a7d0))
+
 ## [0.277.0](https://github.com/googleapis/google-api-go-client/compare/v0.276.0...v0.277.0) (2026-04-29)
 
 

internal/version.go

@@ -5,4 +5,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "0.277.0"
+const Version = "0.278.0"