Merge branch '53-upgrade-flutter-framework-and-dependencies' into 'master'

Resolve "Upgrade flutter framework and dependencies"

Closes #53

See merge request !56

android/app/build.gradle

@@ -39,12 +39,12 @@ if (keystorePropertiesFile.exists()) {
 }
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     defaultConfig {
         applicationId "org.benoitharrault.wordguessing"
         minSdkVersion 16
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode appVersionCode.toInteger()
         versionName appVersionName
         archivesBaseName = "$applicationId" + "_" + "$versionCode"

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.1.20
-app.versionCode=44
+app.versionName=0.1.21
+app.versionCode=45

pubspec.lock

@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -81,6 +81,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   meta:
     dependency: transitive
     description:
@@ -162,7 +169,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.3"
+    version: "0.4.8"
   typed_data:
     dependency: transitive
     description:
@@ -176,7 +183,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.16.0"