Bump uvicorn[standard] from 0.30.1 to 0.30.4

Bumps [uvicorn[standard]](https://github.com/encode/uvicorn) from 0.30.1 to 0.30.4.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](encode/uvicorn@0.30.1...0.30.4)

---
updated-dependencies:
- dependency-name: uvicorn[standard]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -42,7 +42,7 @@ classifiers = [
 dependencies = [
     # exclude 0.11.2 and 0.11.3 due to https://github.com/sdispater/tomlkit/issues/225
     "tomlkit >=0.11.1,<1.0.0,!=0.11.2,!=0.11.3",
-    "uvicorn[standard] == 0.30.1",
+    "uvicorn[standard] == 0.30.4",
     "ellar >= 0.7.4",
     "click >= 8.1.7",
 ]