ENH: Addition of input arguments for boundaries to add more consistency between methods

[hewittk]

• closes ENH: consistency of input args for boundaries #40245
• tests added / passed
• Ensure all linting tests pass, see here for how to run them
• whatsnew entry

[pep8speaks]

Hello @hewittk! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file pandas/core/arrays/datetimelike.py:

Line 1833:33: E712 comparison to True should be 'if cond is True:' or 'if cond:'
Line 1840:37: E712 comparison to False should be 'if cond is False:' or 'if not cond:'
Line 1844:89: E501 line too long (114 > 88 characters)

• In the file pandas/core/series.py:

Line 4741:22: E712 comparison to True should be 'if cond is True:' or 'if cond:'
Line 4750:24: E712 comparison to False should be 'if cond is False:' or 'if not cond:'
Line 4754:89: E501 line too long (106 > 88 characters)