Samples maintenance (#435)

web/github_dataviz/lib/main.dart

@@ -191,15 +191,18 @@ class _MainLayoutState extends State<MainLayout> with TickerProviderStateMixin {
 
     int numWeeksTotal = contributionList[0].contributions.length;
 
-    String starsByWeekStr = (await http.get("assets/github_data/stars.tsv")).body;
+    String starsByWeekStr =
+        (await http.get("assets/github_data/stars.tsv")).body;
     List<StatForWeek> starsByWeekLoaded =
         summarizeWeeksFromTSV(starsByWeekStr, numWeeksTotal);
 
-    String forksByWeekStr = (await http.get("assets/github_data/forks.tsv")).body;
+    String forksByWeekStr =
+        (await http.get("assets/github_data/forks.tsv")).body;
     List<StatForWeek> forksByWeekLoaded =
         summarizeWeeksFromTSV(forksByWeekStr, numWeeksTotal);
 
-    String commitsByWeekStr = (await http.get("assets/github_data/commits.tsv")).body;
+    String commitsByWeekStr =
+        (await http.get("assets/github_data/commits.tsv")).body;
     List<StatForWeek> commitsByWeekLoaded =
         summarizeWeeksFromTSV(commitsByWeekStr, numWeeksTotal);
 

web/github_dataviz/pubspec.lock

@@ -1,13 +1,6 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  async:
-    dependency: transitive
-    description:
-      name: async
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.4.1"
   charcode:
     dependency: transitive
     description:
@@ -33,7 +26,7 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.0+4"
+    version: "0.12.1"
   http_parser:
     dependency: transitive
     description:
@@ -61,7 +54,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
+    version: "1.7.0"
   pedantic:
     dependency: transitive
     description: