move codespell check into /docs (#83109)

Signed-off-by: bergquist <carl.bergquist@gmail.com>

scripts/drone/steps/lib.star

@@ -687,7 +687,7 @@ def codespell_step():
         "image": images["python"],
         "commands": [
             "pip3 install codespell",
-            "codespell -I .codespellignore docs/",
+            "codespell -I docs/.codespellignore docs/",
         ],
     }