Fix TypeScript dependencies

The Mermaid type definitions depend on `@types/d3` and
`@types/dompurify`. Without these dependencies, the Mermaid types cause
a type error for users.

.changeset/dry-students-act.md

@@ -0,0 +1,5 @@
+---
+'mermaid': patch
+---
+
+Add missing TypeScript dependencies

packages/mermaid/package.json

@@ -70,6 +70,8 @@
     "@braintree/sanitize-url": "^7.0.1",
     "@iconify/utils": "^2.1.32",
     "@mermaid-js/parser": "workspace:^",
+    "@types/d3": "^7.4.3",
+    "@types/dompurify": "^3.0.5",
     "cytoscape": "^3.29.2",
     "cytoscape-cose-bilkent": "^4.1.0",
     "cytoscape-fcose": "^2.2.0",
@@ -92,13 +94,11 @@
     "@iconify/types": "^2.0.0",
     "@types/cytoscape": "^3.21.4",
     "@types/cytoscape-fcose": "^2.2.4",
-    "@types/d3": "^7.4.3",
     "@types/d3-sankey": "^0.12.4",
     "@types/d3-scale": "^4.0.8",
     "@types/d3-scale-chromatic": "^3.0.3",
     "@types/d3-selection": "^3.0.10",
     "@types/d3-shape": "^3.1.6",
-    "@types/dompurify": "^3.0.5",
     "@types/jsdom": "^21.1.6",
     "@types/katex": "^0.16.7",
     "@types/lodash-es": "^4.17.12",