[Bug]: Typo in SdkDatetimeType

[ArcturusZhang]

Describe the bug

Spell check will flag this word Datetime, but it should be DateTime.
There are inconsistencies among TCGC:

typespec-azure/packages/typespec-client-generator-core/src/interfaces.ts

Line 222 in be1e2c3

export type SdkDatetimeType = SdkUtcDatetimeType | SdkOffsetDatetimeType;

typespec-azure/packages/typespec-client-generator-core/src/interfaces.ts

Line 215 in be1e2c3

kind: "utcDateTime";

typespec-azure/packages/typespec-client-generator-core/src/interfaces.ts

Line 219 in be1e2c3

kind: "offsetDateTime";

Reproduction

Just check the code:

typespec-azure/packages/typespec-client-generator-core/src/interfaces.ts

Line 222 in be1e2c3

export type SdkDatetimeType = SdkUtcDatetimeType | SdkOffsetDatetimeType;

typespec-azure/packages/typespec-client-generator-core/src/interfaces.ts

Line 215 in be1e2c3

kind: "utcDateTime";

typespec-azure/packages/typespec-client-generator-core/src/interfaces.ts

Line 219 in be1e2c3

kind: "offsetDateTime";

Checklist

• Follow our Code of Conduct
• Check that this issue is about the Azure libraries for typespec. For bug in the typespec language or core libraries file it in the TypeSpec repo
• Check that there isn't already an issue that request the same bug to avoid creating a duplicate.
• The provided reproduction is a minimal reproducible example of the bug.