Tell pylint to ignore FIXME comments in our code. (#639)

We can find them other ways.

.pylintrc

@@ -2,7 +2,7 @@
 
 [MAIN]
 # Specify a score threshold to be exceeded before program exits with error.
-fail-under=9.8
+fail-under=9.9
 
 # Make sure public methods are documented.
 # See Also: https://github.com/PyCQA/pydocstyle/issues/309#issuecomment-1426642147
@@ -39,6 +39,7 @@ max-line-length=132
 
 [MESSAGE CONTROL]
 disable=
+    fixme,
     no-else-return,
     consider-using-assignment-expr,
     deprecated-typing-alias,            # disable for now - only deprecated recently