Update documentation for `Size` and `Rect` classes (#168031)

Update documentation for `Size` and `Rect` classes in geometry.dart to
correct references for `centerRight` and `bottomCenter` methods.

Co-authored-by: stuuupidcat <stuuupidcat.3@gmail.com>
https://dart.googlesource.com/external/github.com/flutter/flutter/+/5bcde8fa7b8256e11a490a3b276e125dc891cffd
diff --git a/DEPS b/DEPS
index 19c6ba8..1596ae7 100644
--- a/DEPS
+++ b/DEPS
@@ -236,7 +236,7 @@
 deps = {
   'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'b528c3fd6066dfd239d92a356571892343ab6d69',
 
-  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '559c314ba3fd32e669224276de1c11f80e1ea122',
+  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '5bcde8fa7b8256e11a490a3b276e125dc891cffd',
 
   'flutter/engine/src/flutter/third_party/depot_tools':
   Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '580b4ff3f5cd0dcaa2eacda28cefe0f45320e8f7',
diff --git a/commits.json b/commits.json
index 89982d8..5a0fe2a 100644
--- a/commits.json
+++ b/commits.json
@@ -1,4 +1,4 @@
 {
-  "flutter":"559c314ba3fd32e669224276de1c11f80e1ea122",
+  "flutter":"5bcde8fa7b8256e11a490a3b276e125dc891cffd",
   "flutter/engine/src/flutter/third_party/dart":"b528c3fd6066dfd239d92a356571892343ab6d69"
 }
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