build(deps-dev): bump electron from 13.6.9 to 15.5.5 in /app

Bumps [electron](https://github.com/electron/electron) from 13.6.9 to 15.5.5.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/main/docs/breaking-changes.md)
- [Commits](https://github.com/electron/electron/compare/v13.6.9...v15.5.5

)

---
updated-dependencies:
- dependency-name: electron
  dependency-type: direct:development
...
Signed-off-by: dependabot[bot] <support@github.com>

app/package-lock.json

@@ -26,7 +26,7 @@
         "@babel/plugin-transform-runtime": "^7.15.8",
         "@babel/preset-env": "^7.15.8",
         "@babel/preset-typescript": "^7.15.0",
-        "electron": "^13.6.9",
+        "electron": "^15.5.5",
         "electron-builder": "^22.14.5",
         "electron-notarize": "^1.1.1",
         "fs-extra": "^8.1.0",
@@ -4522,13 +4522,13 @@
       }
     },
     "node_modules/electron": {
-      "version": "13.6.9",
-      "resolved": "https://registry.npmjs.org/electron/-/electron-13.6.9.tgz",
-      "integrity": "sha512-Es/sBy85NIuqsO9MW41PUCpwIkeinlTQ7g0ainfnmRAM2rmog3GBxVCaoV5dzEjwTF7TKG1Yr/E7Z3qHmlfWAg==",
+      "version": "15.5.5",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-15.5.5.tgz",
+      "integrity": "sha512-cGS1ueek14WLvLJlJbId3fmqJLvkr7VuBI0hHt6gpKaj8m2iv/NMteRg0deLgwlxjEF6ZGGNerUJW6a96rNq/Q==",
       "dev": true,
       "hasInstallScript": true,
       "dependencies": {
-        "@electron/get": "^1.0.1",
+        "@electron/get": "^1.13.0",
         "@types/node": "^14.6.2",
         "extract-zip": "^1.0.3"
       },
@@ -13259,12 +13259,12 @@
       }
     },
     "electron": {
-      "version": "13.6.9",
-      "resolved": "https://registry.npmjs.org/electron/-/electron-13.6.9.tgz",
-      "integrity": "sha512-Es/sBy85NIuqsO9MW41PUCpwIkeinlTQ7g0ainfnmRAM2rmog3GBxVCaoV5dzEjwTF7TKG1Yr/E7Z3qHmlfWAg==",
+      "version": "15.5.5",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-15.5.5.tgz",
+      "integrity": "sha512-cGS1ueek14WLvLJlJbId3fmqJLvkr7VuBI0hHt6gpKaj8m2iv/NMteRg0deLgwlxjEF6ZGGNerUJW6a96rNq/Q==",
       "dev": true,
       "requires": {
-        "@electron/get": "^1.0.1",
+        "@electron/get": "^1.13.0",
         "@types/node": "^14.6.2",
         "extract-zip": "^1.0.3"
       }

app/package.json

@@ -132,7 +132,7 @@
     "@babel/plugin-transform-runtime": "^7.15.8",
     "@babel/preset-env": "^7.15.8",
     "@babel/preset-typescript": "^7.15.0",
-    "electron": "^13.6.9",
+    "electron": "^15.5.5",
     "electron-builder": "^22.14.5",
     "electron-notarize": "^1.1.1",
     "fs-extra": "^8.1.0",