Rename CliPlugin to CliModule and cli-plugin role to cli-module

Rename createCliPlugin to createCliModule, CliPlugin to CliModule, and
the cli-plugin package role to cli-module to better distinguish CLI
modules from other plugin types.

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
Made-with: Cursor

.changeset/add-cli-plugin-role.md

@@ -2,4 +2,4 @@
 '@backstage/cli-node': patch
 ---
 
-Added a new `cli-plugin` package role for packages that provide CLI plugin extensions.
+Added a new `cli-module` package role for packages that provide CLI plugin extensions.

.changeset/cli-node-add-cli-plugin.md

@@ -2,4 +2,4 @@
 '@backstage/cli-node': minor
 ---
 
-Added `createCliPlugin` API and related types for building Backstage CLI plugins.
+Added `createCliModule` API and related types for building Backstage CLI plugins.

.changeset/cli-support-cli-plugin-role.md

@@ -2,4 +2,4 @@
 '@backstage/cli': patch
 ---
 
-Added support for the new `cli-plugin` package role in the build system, ESLint configuration, Jest configuration, and maintenance commands.
+Added support for the new `cli-module` package role in the build system, ESLint configuration, Jest configuration, and maintenance commands.

.changeset/cli-use-cli-plugin-api.md

@@ -2,4 +2,4 @@
 '@backstage/cli': patch
 ---
 
-Migrated CLI plugin modules to use `createCliPlugin` from `@backstage/cli-node`.
+Migrated CLI plugin modules to use `createCliModule` from `@backstage/cli-node`.