chore(main): release auth 0.9.9 (googleapis#11003)

🤖 I have created a release *beep* *boop*
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## [0.9.9](https://togithub.com/googleapis/google-cloud-go/compare/auth/v0.9.8...auth/v0.9.9) (2024-10-22)


### Bug Fixes

* **auth:** Fallback cert lookups for missing files ([googleapis#11013](https://togithub.com/googleapis/google-cloud-go/issues/11013)) ([bd76695](https://togithub.com/googleapis/google-cloud-go/commit/bd766957ec238b7c40ddbabb369e612dc9b07313)), refs [googleapis#10844](https://togithub.com/googleapis/google-cloud-go/issues/10844)
* **auth:** Replace MDS endpoint universe_domain with universe-domain ([googleapis#11000](https://togithub.com/googleapis/google-cloud-go/issues/11000)) ([6a1586f](https://togithub.com/googleapis/google-cloud-go/commit/6a1586f2ce9974684affaea84e7b629313b4d114))

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

.release-please-manifest-individual.json

@@ -1,7 +1,7 @@
 {
   "ai": "0.8.2",
   "aiplatform": "1.68.0",
-  "auth": "0.9.8",
+  "auth": "0.9.9",
   "auth/oauth2adapt": "0.2.4",
   "bigquery": "1.63.1",
   "bigtable": "1.33.0",

auth/CHANGES.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.9.9](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.8...auth/v0.9.9) (2024-10-22)
+
+
+### Bug Fixes
+
+* **auth:** Fallback cert lookups for missing files ([#11013](https://github.com/googleapis/google-cloud-go/issues/11013)) ([bd76695](https://github.com/googleapis/google-cloud-go/commit/bd766957ec238b7c40ddbabb369e612dc9b07313)), refs [#10844](https://github.com/googleapis/google-cloud-go/issues/10844)
+* **auth:** Replace MDS endpoint universe_domain with universe-domain ([#11000](https://github.com/googleapis/google-cloud-go/issues/11000)) ([6a1586f](https://github.com/googleapis/google-cloud-go/commit/6a1586f2ce9974684affaea84e7b629313b4d114))
+
 ## [0.9.8](https://github.com/googleapis/google-cloud-go/compare/auth/v0.9.7...auth/v0.9.8) (2024-10-09)