chore: ensure full v12 annotations on all ExO SDK methods [DX-910]

[Michael Pham (michaelphamcf)]

DX-910

Summary

• Fix Template and Fragment update method docs to use "with PUT" HTTP semantics convention
• Add missing Template publish/unpublish overloads to MRInternal type in common-types.ts
• Audit confirmed all 37 ExO methods across 5 entities have the full @internal - Experimental endpoint, subject to breaking changes without notice annotation, correct @returns tags, and /** @internal */ on all Get*Params types

Test plan

• tsc --noEmit passes
• Verify Template publish/unpublish makeRequest calls now have type checking
• Spot-check annotation consistency across Component Type, Data Assembly, Template, Fragment, and Experience methods

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