Merge pull request #21842 from LeoTindall/master

[chart.js] Allow plugins options to be of any type.

types/chart.js/chart.js-tests.ts

@@ -44,7 +44,8 @@ const chart: Chart = new Chart(new CanvasRenderingContext2D(), {
                     zeroLineBorderDashOffset: 2
                 }
             }]
-        }
+        },
+        plugins: { arbitraryPlugin: {option: "value"} }
     }
 });
 chart.update();

types/chart.js/index.d.ts

@@ -176,6 +176,8 @@ declare namespace Chart {
         cutoutPercentage?: number;
         circumference?: number;
         rotation?: number;
+        // Plugins can require any options
+        plugins?: any;
     }
 
     interface ChartFontOptions {