chore(deps): update dependency fastapi to ^0.131.0

| datasource | package | from    | to      |
| ---------- | ------- | ------- | ------- |
| pypi       | fastapi | 0.128.0 | 0.131.0 |

Author: renovate[bot]

poetry.lock

@@ -8,7 +8,7 @@ package-mode = false
 [tool.poetry.dependencies]
 python = "^3.12"
 fastfeedparser = "^0.3.0"
-fastapi = {extras = ["standard"], version = "^0.128.0"}
+fastapi = {extras = ["standard"], version = "^0.131.0"}
 requests = "^2.32.3"
 feedgen = "^1.0.0"