fix: implement breaking change from fl_chart

lib/util/graphs.dart

@@ -71,7 +71,8 @@ class ExpensesLineChart extends StatelessWidget {
       LineChartData(
         lineTouchData: LineTouchData(
           touchTooltipData: LineTouchTooltipData(
-            tooltipBgColor: Theme.of(context).colorScheme.secondaryContainer,
+            getTooltipColor: (group) =>
+                Theme.of(context).colorScheme.secondaryContainer,
             getTooltipItems: (spots) => List<LineTooltipItem>.generate(
               spots.length,
               (index) => LineTooltipItem(

pubspec.lock

@@ -512,10 +512,10 @@ packages:
     dependency: "direct main"
     description:
       name: intl
-      sha256: "3bc132a9dbce73a7e4a21a17d06e1878839ffbf975568bc875c60537824b0c4d"
+      sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
       url: "https://pub.dev"
     source: hosted
-    version: "0.18.1"
+    version: "0.19.0"
   introduction_screen:
     dependency: "direct main"
     description:
@@ -1101,10 +1101,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: a2662fb1f114f4296cf3f5a50786a2d888268d7776cf681aa17d660ffa23b246
+      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
       url: "https://pub.dev"
     source: hosted
-    version: "14.0.0"
+    version: "14.2.1"
   watcher:
     dependency: transitive
     description: