Bump docs NPM dependencies: astro, starlight, playwright (#14511)

Author: Copilot

docs/package-lock.json

@@ -17,9 +17,9 @@
     "test:debug": "playwright test --debug"
   },
   "dependencies": {
-    "@astrojs/starlight": "^0.37.3",
+    "@astrojs/starlight": "^0.37.6",
     "@primer/octicons": "^19.21.2",
-    "astro": "^5.16.12",
+    "astro": "^5.17.1",
     "astro-mermaid": "^1.2.0",
     "mermaid": "^11.12.2",
     "sharp": "^0.34.5",
@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@marp-team/marp-cli": "^4.2.3",
-    "@playwright/test": "^1.57.0",
+    "@playwright/test": "^1.58.1",
     "@types/primer__octicons": "^19.11.1",
     "http-server": "^14.1.1",
     "starlight-github-alerts": "^0.1.1"