⬆ Bump email-validator from 2.2.0 to 2.3.0 in /backend (#1850)

Bumps [email-validator](https://github.com/JoshData/python-email-validator) from 2.2.0 to 2.3.0.
- [Release notes](https://github.com/JoshData/python-email-validator/releases)
- [Changelog](https://github.com/JoshData/python-email-validator/blob/main/CHANGELOG.md)
- [Commits](https://github.com/JoshData/python-email-validator/compare/v2.2.0...v2.3.0)

---
updated-dependencies:
- dependency-name: email-validator
  dependency-version: 2.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

backend/uv.lock

@@ -376,15 +376,15 @@ wheels = [
 
 [[package]]
 name = "email-validator"
-version = "2.2.0"
+version = "2.3.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "dnspython" },
     { name = "idna" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/48/ce/13508a1ec3f8bb981ae4ca79ea40384becc868bfae97fd1c942bb3a001b1/email_validator-2.2.0.tar.gz", hash = "sha256:cb690f344c617a714f22e66ae771445a1ceb46821152df8e165c5f9a364582b7", size = 48967, upload-time = "2024-06-20T11:30:30.034Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/f5/22/900cb125c76b7aaa450ce02fd727f452243f2e91a61af068b40adba60ea9/email_validator-2.3.0.tar.gz", hash = "sha256:9fc05c37f2f6cf439ff414f8fc46d917929974a82244c20eb10231ba60c54426", size = 51238, upload-time = "2025-08-26T13:09:06.831Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/d7/ee/bf0adb559ad3c786f12bcbc9296b3f5675f529199bef03e2df281fa1fadb/email_validator-2.2.0-py3-none-any.whl", hash = "sha256:561977c2d73ce3611850a06fa56b414621e0c8faa9d66f2611407d87465da631", size = 33521, upload-time = "2024-06-20T11:30:28.248Z" },
+    { url = "https://files.pythonhosted.org/packages/de/15/545e2b6cf2e3be84bc1ed85613edd75b8aea69807a71c26f4ca6a9258e82/email_validator-2.3.0-py3-none-any.whl", hash = "sha256:80f13f623413e6b197ae73bb10bf4eb0908faf509ad8362c5edeb0be7fd450b4", size = 35604, upload-time = "2025-08-26T13:09:05.858Z" },
 ]
 
 [[package]]