chore: update jszip to 3.7.1 (dependency) and canvas to 2.8.0 (devDependency)

package.json

@@ -66,7 +66,7 @@
   "dependencies": {
     "@types/vexflow": "^3.0.0",
     "d-path-parser": "^1.0.0",
-    "jszip": "3.4.0",
+    "jszip": "3.7.1",
     "loglevel": "^1.6.8",
     "soundfont-player": "^0.12.0",
     "standardized-audio-context": "^25.1.5",
@@ -80,7 +80,7 @@
     "@types/resize-observer-browser": "^0.1.5",
     "@typescript-eslint/eslint-plugin": "^4.14.0",
     "@typescript-eslint/parser": "^4.14.0",
-    "canvas": "^2.6.1",
+    "canvas": "^2.8.0",
     "chai": "^4.1.0",
     "clean-webpack-plugin": "^3.0.0",
     "cross-blob": "^1.2.0",