prepare 0.5.8

pubspec.lock

@@ -7,14 +7,14 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "36.0.0"
+    version: "38.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.3.1"
+    version: "3.4.1"
   args:
     dependency: transitive
     description:
@@ -112,7 +112,7 @@ packages:
       name: dart_style
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.1"
+    version: "2.2.2"
   dart_webrtc:
     dependency: transitive
     description:
@@ -393,7 +393,7 @@ packages:
       name: pub_semver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -440,7 +440,7 @@ packages:
       name: synchronized
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.0+2"
   term_glyph:
     dependency: transitive
     description:
@@ -503,7 +503,7 @@ packages:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.1"
+    version: "2.5.1"
   xdg_directories:
     dependency: transitive
     description: