chore(main): release google-auth 2.56.2 (#17814)

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


##
[2.56.2](google-auth-v2.56.1...google-auth-v2.56.2)
(2026-07-21)


### Bug Fixes

* **auth:** centralize cert discovery logic and steps
([#17696](#17696))
([edc0423](edc0423))
* **auth:** exit early when agent cert config is outside well-known
directory
([#17762](#17762))
([61e795a](61e795a))
* **transport:** propagate mTLS adapter to auth session and fix
connection leaks
([#17689](#17689))
([8289d32](8289d32))
* update _SERVICE_ACCOUNT_EMAIL_PATTERN to require .gserviceaccount.com
suffix
([#17748](#17748))
([b60bb04](b60bb04))

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

Author: suztomo

.release-please-bulk-manifest.json

@@ -17,7 +17,7 @@
   "packages/google-apps-meet": "0.5.0",
   "packages/google-apps-script-type": "0.8.0",
   "packages/google-area120-tables": "0.15.0",
-  "packages/google-auth": "2.56.1",
+  "packages/google-auth": "2.56.2",
   "packages/google-auth-httplib2": "0.4.0",
   "packages/google-auth-oauthlib": "1.4.0",
   "packages/google-backstory": "0.1.0",

librarian.yaml

@@ -227,7 +227,7 @@ libraries:
       metadata_name_override: area120tables
       default_version: v1alpha1
   - name: google-auth
-    version: 2.56.1
+    version: 2.56.2
     python:
       library_type: AUTH
   - name: google-auth-httplib2

packages/google-auth/CHANGELOG.md

@@ -4,6 +4,16 @@
 
 [1]: https://pypi.org/project/google-auth/#history
 
+## [2.56.2](https://github.com/googleapis/google-cloud-python/compare/google-auth-v2.56.1...google-auth-v2.56.2) (2026-07-21)
+
+
+### Bug Fixes
+
+* **auth:** centralize cert discovery logic and steps ([#17696](https://github.com/googleapis/google-cloud-python/issues/17696)) ([edc0423](https://github.com/googleapis/google-cloud-python/commit/edc0423e57dd06bef3a93802642a074ab8b7bc5d))
+* **auth:** exit early when agent cert config is outside well-known directory ([#17762](https://github.com/googleapis/google-cloud-python/issues/17762)) ([61e795a](https://github.com/googleapis/google-cloud-python/commit/61e795a8299afec863487776c8a679adbb2911ab))
+* **transport:** propagate mTLS adapter to auth session and fix connection leaks ([#17689](https://github.com/googleapis/google-cloud-python/issues/17689)) ([8289d32](https://github.com/googleapis/google-cloud-python/commit/8289d328f9a1eb2abb766644e4f6748198679c80))
+* update _SERVICE_ACCOUNT_EMAIL_PATTERN to require .gserviceaccount.com    suffix   ([#17748](https://github.com/googleapis/google-cloud-python/issues/17748)) ([b60bb04](https://github.com/googleapis/google-cloud-python/commit/b60bb04a73eb35b15320c54bc3493132e6ba5706))
+
 ## [2.56.1](https://github.com/googleapis/google-cloud-python/compare/google-auth-v2.56.0...google-auth-v2.56.1) (2026-07-17)
 
 

packages/google-auth/google/auth/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.56.1"
+__version__ = "2.56.2"