build(deps): bump chart.js from 2.9.4 to 3.0.2 in /web (#696)

* build(deps): bump chart.js from 2.9.4 to 3.0.2 in /web

Bumps [chart.js](https://github.com/chartjs/Chart.js) from 2.9.4 to 3.0.2.
- [Release notes](https://github.com/chartjs/Chart.js/releases)
- [Commits](https://github.com/chartjs/Chart.js/compare/v2.9.4...v3.0.2)

Signed-off-by: dependabot[bot] <support@github.com>

* web/elements/chart: upgrade to chart.js 3

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jens Langhammer <jens.langhammer@beryju.org>

web/src/elements/cards/AggregateCard.ts

@@ -45,7 +45,7 @@ export class AggregateCard extends LitElement {
     render(): TemplateResult {
         return html`<div class="pf-c-card pf-c-card-aggregate">
             <div class="pf-c-card__header pf-l-flex pf-m-justify-content-space-between">
-                <div class="pf-c-card__header-main">
+                <div class="pf-c-card__title">
                     <i class="${ifDefined(this.icon)}"></i>&nbsp;${this.header ? this.header : ""}
                 </div>
                 ${this.renderHeaderLink()}