[SD-187] Data table html header labels

[waitingallday]

Issue: https://digital-vic.atlassian.net/browse/SD-187

What I did

• Added column config prop isLabelHTML and support for rendering HTML in table headings

How to test

• Storybook https://624ac117357335003a84dac3-xefzoplsdg.chromatic.com/?path=/story/core-containers-data-table--html-headings

Checklist

For all PR's

• [ ] I've added relevant changes to the project Readme if needed.
• [ ] I've updated the documentation site as needed.
• [ ] I have added unit tests to cover my changes (if not applicable, please state why in a comment)

For new components only

• [ ] I have added a story covering all variants
• [ ] I have checked a11y tab in storybook passes
• [ ] Any events are emitted on the event bus

[cypress[bot]]

ripple-framework    Run #2189

Run Properties:   Passed #2189  •  c4559b52a2: feat(@dpc-sdp/ripple-ui-core): :sparkles: support html heading

Project	ripple-framework
Branch Review	feat/sd-187-data-table-html-headers
Run status	Passed #2189
Run duration	08m 32s
Commit	c4559b52a2: feat(@dpc-sdp/ripple-ui-core): :sparkles: support html heading
Committer	Jason Smith
View all properties for this run ↗︎

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Test results
Failures	0
Flaky	0
Pending	0
Skipped	0
Passing	193
View all changes introduced in this branch ↗︎