Update CSE to ISE to reflect organisation changes.

[codesmon]

To reflect internal Microsoft changes, renaming the CSE (Commercial Software Engineering) references to ISE (Industry Solutions Engineering).

[github-actions[bot]]

🦙 MegaLinter status: :warning: WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	2		0	0.02s
:warning: MARKDOWN	markdownlint	240		6	1.68s
:warning: MARKDOWN	markdown-table-formatter	240		1	0.54s
✅ MDLINKCHECK	linkcheck	250		0	15.51s
:warning: SPELL	cspell	250		23	12.29s
✅ YAML	prettier	10		0	0.76s
✅ YAML	yamllint	10		0	0.46s

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[codesmon]

I have largely removed references to ISE, except in a handful of places where it made sense to keep them. This makes the bulk of the playbook user agnostic, but still keeps a couple of MSFT relevant parts.