Correct minor typo impocit->implicit in pyproject.toml comment (#31283)

PR #31270 included a minor typo for the word `implicit` in one of
its comment. The commit correct the typo from `impocit` to
`implicit`.

pyproject.toml

@@ -46,7 +46,7 @@ extend-select = [
     "UP", # Pyupgrade
     "RUF100", # Unused noqa (auto-fixable)
 
-    # impocit single-line string concatenation
+    # implicit single-line string concatenation
     "ISC001",
     # We ignore more pydocstyle than we enable, so be more selective at what we enable
     "D101",