flutter pub upgrade (#524)

add_to_app/flutter_module/pubspec.lock

@@ -174,7 +174,7 @@ packages:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.3.2"
   pub_semver:
     dependency: transitive
     description:
@@ -273,4 +273,4 @@ packages:
     version: "2.1.2"
 sdks:
   dart: ">=2.9.0-14.0.dev <3.0.0"
-  flutter: ">=1.17.0 <2.0.0"
+  flutter: ">=1.16.0 <2.0.0"

add_to_app/flutter_module_books/pubspec.lock

@@ -101,7 +101,7 @@ packages:
       name: pigeon
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0"
+    version: "0.1.4"
   sky_engine:
     dependency: transitive
     description: flutter

add_to_app/flutter_module_using_plugin/pubspec.lock

@@ -65,13 +65,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.6.1+1"
   matcher:
     dependency: transitive
     description:
@@ -100,6 +93,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
+  platform_detect:
+    dependency: transitive
+    description:
+      name: platform_detect
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.0"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -113,7 +113,14 @@ packages:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.3.2"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -174,28 +181,35 @@ packages:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.4.5"
+    version: "5.5.0"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+1"
   url_launcher_macos:
     dependency: transitive
     description:
       name: url_launcher_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+5"
+    version: "0.0.1+7"
   url_launcher_platform_interface:
     dependency: transitive
     description:
       name: url_launcher_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.6"
+    version: "1.0.7"
   url_launcher_web:
     dependency: transitive
     description:
       name: url_launcher_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.1+4"
+    version: "0.1.2"
   vector_math:
     dependency: transitive
     description:
@@ -205,4 +219,4 @@ packages:
     version: "2.0.8"
 sdks:
   dart: ">=2.9.0-14.0.dev <3.0.0"
-  flutter: ">=1.17.0 <2.0.0"
+  flutter: ">=1.16.0 <2.0.0"