Bump analyzer from 4.6.0 to 4.7.0 in /device_doctor (#2106)

diff --git a/device_doctor/pubspec.lock b/device_doctor/pubspec.lock
index 31b84c3..ec4fdd4 100644
--- a/device_doctor/pubspec.lock
+++ b/device_doctor/pubspec.lock
@@ -7,14 +7,14 @@
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "46.0.0"
+    version: "47.0.0"
   analyzer:
     dependency: "direct main"
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.6.0"
+    version: "4.7.0"
   args:
     dependency: "direct main"
     description: