ScimMeta field on ScimResource interface is incompliant with the official SCIM core RFC 7643

[spitfire1970]

Issue
The type for ScimMeta field on the ScimResource interface is incompliant with the official SCIM RFC.

To Reproduce
See

scim-patch/src/types/types.ts

Lines 34 to 38 in 85b4fc5

	export interface ScimMeta {
	readonly created: Date;
	readonly lastModified: Date;
	readonly location?: string;
	}

and compare with Section 2.3.5 of https://datatracker.ietf.org/doc/html/rfc7643#section-2.3.5

Expected behavior

1. Both of these fields should be optional properties and should not be required.
2. The type for the lastModified and created fields should just be a string and not a Date.

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[stale]

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