Add runCliModule helper for standalone module execution

Add a public `runCliModule` function to `@backstage/cli-node` that
allows CLI module packages to be executed directly as standalone
programs, without needing to be wired into a larger CLI host.

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

yarn.lock

@@ -3030,6 +3030,8 @@ __metadata:
     "@types/yarnpkg__lockfile": "npm:^1.1.4"
     "@yarnpkg/lockfile": "npm:^1.1.0"
     "@yarnpkg/parsers": "npm:^3.0.0"
+    chalk: "npm:^4.0.0"
+    commander: "npm:^12.0.0"
     fs-extra: "npm:^11.2.0"
     semver: "npm:^7.5.3"
     yaml: "npm:^2.0.0"
@@ -27535,7 +27537,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"commander@npm:^12.1.0":
+"commander@npm:^12.0.0, commander@npm:^12.1.0":
   version: 12.1.0
   resolution: "commander@npm:12.1.0"
   checksum: 10/cdaeb672d979816853a4eed7f1310a9319e8b976172485c2a6b437ed0db0a389a44cfb222bfbde772781efa9f215bdd1b936f80d6b249485b465c6cb906e1f93