fix(parser): names of enums and enum instances

[lars-reimann]

Closes #760.
Closes #744.

Summary of Changes

Regarding the generation of @enum annotations:

• Allow numbers in names of generated enum instances
• Prepend an _ if the name would start with a number
• Replace - with _ instead of dropping it outright
• Use UPPER_CASE for names of enum instances

[github-actions]

MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ CREDENTIALS	secretlint	yes		no	3.45s
✅ GIT	git_diff	yes		no	0.01s
✅ JSON	eslint-plugin-jsonc	3	0	0	2.9s
✅ JSON	jsonlint	3		0	1.21s
✅ JSON	prettier	3	0	0	1.94s
✅ JSON	v8r	3		0	2.66s
✅ PYTHON	bandit	1		0	0.26s
✅ PYTHON	black	1	0	0	0.33s
✅ PYTHON	flake8	1		0	0.36s
✅ PYTHON	isort	1	0	0	0.14s
✅ PYTHON	mypy	1		0	5.5s
✅ PYTHON	pylint	1		0	1.86s

See errors details in artifact MegaLinter reports on CI Job page
Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff

[github-actions]

🎉 This PR is included in version 1.9.1 🎉

The release is available on GitHub release

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