Remove typoed upstream word to make codespell happy

Author: bsipocz

pyproject.toml

@@ -157,11 +157,11 @@ filterwarnings = [
     'ignore:unclosed database in:ResourceWarning',
     # from asyncio triggered by jupyter_client
     'ignore:There is no current event loop:DeprecationWarning',
-    'ignore:Parsing dates involving a day of month without a year specified is ambiguious:DeprecationWarning',
+    'ignore:Parsing dates involving a day of month without a year specified is :DeprecationWarning',
     # from jupyter_core
     'ignore:Jupyter is migrating its paths to use standard platformdirs:DeprecationWarning',
     # nbclient
-    'ignore:Parsing dates involving a day of month without a year specified is ambiguious:DeprecationWarning:nbclient',
+    'ignore:Parsing dates involving a day of month without a year specified is :DeprecationWarning:nbclient',
     # From dateutil in sqlalchemy and jupyter_cache
     'ignore:datetime.datetime.utcnow\(\) is deprecated:DeprecationWarning:sqlalchemy',
     'ignore:datetime.datetime.utcnow\(\) is deprecated:DeprecationWarning:jupyter_cache',