build(deps): bump uvicorn from 0.12.2 to 0.12.3 (#339)

Bumps [uvicorn](https://github.com/encode/uvicorn) from 0.12.2 to 0.12.3.
- [Release notes](https://github.com/encode/uvicorn/releases)
- [Changelog](https://github.com/encode/uvicorn/blob/master/CHANGELOG.md)
- [Commits](https://github.com/encode/uvicorn/compare/0.12.2...0.12.3)

Signed-off-by: dependabot[bot] <support@github.com>

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

Pipfile.lock

@@ -82,10 +82,10 @@
         },
         "botocore": {
             "hashes": [
-                "sha256:5cee9d02d335a0c43d225da6595e6f95970a01ecaebeba757ac22130f2d31495",
+                "sha256:9f9efca44b2ab2d9c133ceeafa377e4b3d260310109284123ebfffc15e28481e",
-                "sha256:87d77925ea8d35898ff1627f6f97d396bed44d37fff960daae181a76ba413546"
+                "sha256:d73a223bf88d067c3ae0a9a3199abe56e99c94267da77d7fed4c39f572f522c0"
             ],
-            "version": "==1.19.22"
+            "version": "==1.19.23"
         },
         "cachetools": {
             "hashes": [
@@ -1074,11 +1074,11 @@
                 "standard"
             ],
             "hashes": [
-                "sha256:8ff7495c74b8286a341526ff9efa3988ebab9a4b2f561c7438c3cb420992d7dd",
+                "sha256:562ef6aaa8fa723ab6b82cf9e67a774088179d0ec57cb17e447b15d58b603bcf",
-                "sha256:e5dbed4a8a44c7b04376021021d63798d6a7bcfae9c654a0b153577b93854fba"
+                "sha256:5836edaf4d278fe67ba0298c0537bdb6398cf359eb644f79e6500ca1aad232b3"
             ],
             "index": "pypi",
-            "version": "==0.12.2"
+            "version": "==0.12.3"
         },
         "uvloop": {
             "hashes": [