Remove OM upper bound (#468)

* Remove OM upper bound

* Exclude 3.40

* end of file

Author: kanekosh

setup.py

@@ -54,7 +54,7 @@
     package_data={"openaerostruct": ["tests/*.py", "*/tests/*.py", "*/*/tests/*.py"]},
     install_requires=[
         # Remember to update the oldest versions in docs/installation.rst
-        "openmdao>=3.35,<=3.39",
+        "openmdao>=3.35,!=3.40",
         "numpy>=1.21",
         "scipy>=1.7",
         "matplotlib",