Since SQLAlchemy 1.4, the method "Inspector.from_engine()" is
deprecated.
Error message:
"The from_engine() method on Inspector is deprecated and will be removed
in a future release. Please use the sqlalchemy.inspect() function on an
Engine or Connection in order to acquire an Inspector. (deprecated
since: 1.4)"
Minimum version of SQLAlchemy required is bumped to 1.4.23.
Change-Id: I6cf5944ccb3a0532cbf123ddc0d7df6b6de80af1
Closes-Bug: #1943155