Update cache-stats external plugin to v1.0.2

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

plugins/external.json

@@ -345,8 +345,8 @@
   },
   {
     "name": "cache-stats",
-    "description": "Shows live prompt-cache reuse, expiry, token composition, and AIU cost for the current GitHub Copilot session without making model calls.",
-    "version": "1.0.1",
+    "description": "Shows live prompt-cache reuse, expiry, token composition, and AI Credit cost for the current GitHub Copilot session without making model calls.",
+    "version": "1.0.2",
     "author": {
       "name": "Arafat Tehsin",
       "url": "https://github.com/arafattehsin"
@@ -355,6 +355,7 @@
     "homepage": "https://github.com/arafattehsin/cache-stats-extension",
     "license": "MIT",
     "keywords": [
+      "ai-credits",
       "aiu",
       "cache",
       "canvas",
@@ -366,8 +367,8 @@
     "source": {
       "source": "github",
       "repo": "arafattehsin/cache-stats-extension",
-      "ref": "v1.0.1",
-      "sha": "678c3468977889d5c50a0a5f33898b8d9638523a"
+      "ref": "v1.0.2",
+      "sha": "a6d6e0c2cb3c4309794dcc712cd14906b2b297db"
     }
   },
   {