Merge branch 'develop' of https://github.com/NicolasNewman/mermaid into feature/2776_katex_math

vite.config.ts

@@ -1,4 +1,5 @@
 import jison from './.vite/jisonPlugin.js';
+import jsonSchemaPlugin from './.vite/jsonSchemaPlugin.js';
 import typescript from '@rollup/plugin-typescript';
 import { defineConfig } from 'vitest/config';
 
@@ -8,6 +9,7 @@ export default defineConfig({
   },
   plugins: [
     jison(),
+    jsonSchemaPlugin(), // handles .schema.yaml JSON Schema files
     // @ts-expect-error According to the type definitions, rollup plugins are incompatible with vite
     typescript({ compilerOptions: { declaration: false } }),
   ],
@@ -17,7 +19,7 @@ export default defineConfig({
     // TODO: should we move this to a mermaid-core package?
     setupFiles: ['packages/mermaid/src/tests/setup.ts'],
     coverage: {
-      provider: 'istanbul',
+      provider: 'v8',
       reporter: ['text', 'json', 'html', 'lcov'],
       reportsDirectory: './coverage/vitest',
       exclude: ['**/node_modules/**', '**/tests/**', '**/__mocks__/**'],