Core Data: add type for term entity (WordPress#69151)

Follow-up to WordPress#67668, makes it easy to use term types with `getEntityRecords` and the like

packages/core-data/src/dynamic-entities.ts

@@ -18,6 +18,7 @@ export type WPEntityTypes< C extends ET.Context = 'edit' > = {
 	Site: ET.Settings< C >;
 	Status: ET.PostStatusObject< C >;
 	Taxonomy: ET.Taxonomy< C >;
+	Term: ET.Term< C >;
 	Theme: ET.Theme< C >;
 	UnstableBase: ET.UnstableBase< C >;
 	User: ET.User< C >;

packages/core-data/src/entity-types/index.ts

@@ -17,6 +17,7 @@ import type { PostRevision } from './post-revision';
 import type { Settings } from './settings';
 import type { Sidebar } from './sidebar';
 import type { Taxonomy } from './taxonomy';
+import type { Term } from './term';
 import type { Theme } from './theme';
 import type { User } from './user';
 import type { Type } from './type';
@@ -46,6 +47,7 @@ export type {
 	Taxonomy,
 	TemplatePartArea,
 	TemplateType,
+	Term,
 	Theme,
 	Type,
 	Updatable,
@@ -105,6 +107,7 @@ export interface PerPackageEntityRecords< C extends Context > {
 		| Settings< C >
 		| Sidebar< C >
 		| Taxonomy< C >
+		| Term< C >
 		| Theme< C >
 		| User< C >
 		| Type< C >

packages/core-data/src/entity-types/term.ts

@@ -0,0 +1,57 @@
+/**
+ * Internal dependencies
+ */
+import type { Context, ContextualField, OmitNevers } from './helpers';
+
+import type { BaseEntityRecords as _BaseEntityRecords } from './base-entity-records';
+
+declare module './base-entity-records' {
+	export namespace BaseEntityRecords {
+		export interface Term< C extends Context > {
+			/**
+			 * Unique identifier for the term.
+			 */
+			id: number;
+			/**
+			 * Number of published posts for the term.
+			 */
+			count: ContextualField< number, 'view' | 'edit', C >;
+			/**
+			 * HTML description of the term.
+			 */
+			description: ContextualField< string, 'view' | 'edit', C >;
+			/**
+			 * URL of the term.
+			 */
+			link: string;
+			/**
+			 * HTML title for the term.
+			 */
+			name: string;
+			/**
+			 * An alphanumeric identifier for the term unique to its type.
+			 */
+			slug: string;
+			/**
+			 * Type attribution for the term.
+			 */
+			taxonomy: string;
+			/**
+			 * The parent term ID. Only present for hierarchical taxonomies.
+			 */
+			parent?: number;
+			/**
+			 * Meta fields.
+			 */
+			meta: ContextualField<
+				Record< string, string >,
+				'view' | 'edit',
+				C
+			>;
+		}
+	}
+}
+
+export type Term< C extends Context = 'edit' > = OmitNevers<
+	_BaseEntityRecords.Term< C >
+>;