fix: remove test scripts from packages with no test files

@objectql/plugin-optimizations and @objectql/plugin-query had
"test": "vitest run" scripts but no test files, causing vitest to
exit with code 1 and failing the CI pipeline.

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/foundation/plugin-optimizations/package.json

@@ -13,8 +13,7 @@
   },
   "files": ["dist"],
   "scripts": {
-    "build": "tsc",
-    "test": "vitest run"
+    "build": "tsc"
   },
   "dependencies": {
     "@objectql/types": "workspace:*",

packages/foundation/plugin-query/package.json

@@ -13,8 +13,7 @@
   },
   "files": ["dist"],
   "scripts": {
-    "build": "tsc",
-    "test": "vitest run"
+    "build": "tsc"
   },
   "dependencies": {
     "@objectql/types": "workspace:*",