fix(deps): update dependency fastapi to ~=0.121.1 (#1189)

Author: renovate[bot]

pyproject.toml

@@ -40,7 +40,7 @@ dependencies = [
     "click==8.*",
     "deepmerge==2.0",
     "deprecated>=1.2.18",
-    "fastapi~=0.120.4",
+    "fastapi~=0.121.1",
     "fastapi-etag==0.4.0",
     "itsdangerous>=2.2.0",
     "jinja2==3.1.6",