chore: bump version to 2.5.0 (#2213)

Bumps the root package.json from 2.4.0 to 2.5.0 on v2/main, ahead of the
v2.5.0 milestone merge into main. Applied with
`npm version minor --no-git-tag-version` — the tag is deliberately omitted
because the release is cut from main, so the tag must point at the merge
commit there rather than at a v2/main commit that is never released.

Closes #2212


Claude-Session: https://claude.ai/code/session_017bussXiM47PBttWqFUkPN1

Signed-off-by: cliffhall <cliff@futurescale.com>
Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

Author: cliffhall

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@modelcontextprotocol/inspector",
-  "version": "2.4.0",
+  "version": "2.5.0",
   "description": "The Model Context Protocol Inspector",
   "keywords": [
     "MCP",