Bump electron from 18.3.7 to 22.3.21

Bumps [electron](https://github.com/electron/electron) from 18.3.7 to 22.3.21.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/main/docs/breaking-changes.md)
- [Commits](electron/electron@v18.3.7...v22.3.21)

---
updated-dependencies:
- dependency-name: electron
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -50,7 +50,7 @@
     "@pixi/settings": ">=6.0.4 <8.0.0",
     "@pixi/sprite": ">=6.0.4 <8.0.0",
     "@pixi/ticker": ">=6.0.4 <8.0.0",
-    "electron": "^18.3.7",
+    "electron": "^22.3.21",
     "eslint": "^7.2.0",
     "gh-pages": "^2.0.0",
     "ncp": "^2.0.0",

test/pixi-v6-iife/package.json

@@ -7,7 +7,7 @@
   },
   "license": "ISC",
   "dependencies": {
-    "electron": "^18.3.7",
+    "electron": "^22.3.21",
     "@pixi/particle-emitter": "*",
     "pixi.js": "^6.0.4",
     "typescript": "^4.3.4"

test/pixi-v6-module/package.json

@@ -18,7 +18,7 @@
     "@pixi/ticker": "^6.0.4",
     "@pixi/utils": "^6.0.4",
     "@types/node": "^8.0.0",
-    "electron": "^18.3.7",
+    "electron": "^22.3.21",
     "override-require": "^1.1.1",
     "@pixi/particle-emitter": "*",
     "resource-loader": "3",