feat: prefix keywords with `^` to treat them as identifiers

[lars-reimann]

Summary of Changes

Keywords can now be prefixed with ^ to treat them as identifiers. Previously, they had to be surrounded by backticks. The hat prefix is more readable and shorter

[github-actions[bot]]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ JSON	jsonlint	2		0	0.31s
✅ JSON	npm-package-json-lint	yes		no	0.61s
✅ JSON	prettier	2	0	0	1.07s
✅ JSON	v8r	2		0	2.15s
✅ PYTHON	black	1	0	0	0.75s
✅ PYTHON	mypy	1		0	2.21s
✅ PYTHON	ruff	1	0	0	0.13s
✅ REPOSITORY	git_diff	yes		no	0.1s
✅ TYPESCRIPT	eslint	3	0	0	5.52s
✅ TYPESCRIPT	prettier	3	0	0	0.87s

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (a216743) to head (d496ba0).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1172 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 110 110 Lines 19238 19238 Branches 4114 4115 +1 ========================================= Hits 19238 19238 ```

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[lars-reimann]

:tada: This PR is included in version 0.16.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• npm package (@latest dist-tag)
• v0.16.0
• GitHub release

Your semantic-release bot :package::rocket: