Remove and forbid @ts-expect-error (#36513)

Removes `@ts-expect-error` in the code base and forbids it.

---------

Signed-off-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: silverwind <115237+silverwind@users.noreply.github.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

web_src/js/components/RepoRecentCommits.vue

@@ -8,6 +8,7 @@ import {
   TimeScale,
   type ChartOptions,
   type ChartData,
+  type ChartDataset,
 } from 'chart.js';
 import {GET} from '../modules/fetch.ts';
 import {Bar} from 'vue-chartjs';
@@ -83,13 +84,12 @@ function toGraphData(data: DayData[]): ChartData<'bar'> {
   return {
     datasets: [
       {
-        // @ts-expect-error -- bar chart expects one-dimensional data, but apparently x/y still works
         data: data.map((i) => ({x: i.week, y: i.commits})),
         label: 'Commits',
         backgroundColor: chartJsColors['commits'],
         borderWidth: 0,
         tension: 0.3,
-      },
+      } as unknown as ChartDataset<'bar'>,
     ],
   };
 }