ci: add E43 to test matrix (#357)

Per [the `43-x-y` board](https://github.com/orgs/electron/projects/129/views/3?pane=issue&itemId=184431826).

Author: rf-figma

.github/workflows/test.yml

@@ -23,6 +23,7 @@ jobs:
           - 40
           - 41
           - 42
+          - 43
         node-version:
           - '22.12.x'
         os:

package.json

@@ -85,6 +85,7 @@
     "electron40": "npm:electron@^40",
     "electron41": "npm:electron@^41",
     "electron42": "npm:electron@^42",
+    "electron43": "npm:electron@^43",
     "html-webpack-plugin": "^5.6.3",
     "husky": "^9.1.7",
     "lint-staged": "^16.4.0",

yarn.lock

@@ -603,6 +603,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@electron-internal/extract-zip@npm:^1.0.1":
+  version: 1.0.3
+  resolution: "@electron-internal/extract-zip@npm:1.0.3"
+  checksum: 10c0/29a03ec0dcc75b74c8dce1e58cc796fabf4f1faa1e43cc1680bf5f93e88ad25c47bac0511feacb4fc5ed5e2e1db780116006f851af96fa0e064c727675a94262
+  languageName: node
+  linkType: hard
+
 "@electron/devtron@workspace:.":
   version: 0.0.0-use.local
   resolution: "@electron/devtron@workspace:."
@@ -634,6 +641,7 @@ __metadata:
     electron40: "npm:electron@^40"
     electron41: "npm:electron@^41"
     electron42: "npm:electron@^42"
+    electron43: "npm:electron@^43"
     html-webpack-plugin: "npm:^5.6.3"
     husky: "npm:^9.1.7"
     lint-staged: "npm:^16.4.0"
@@ -3547,6 +3555,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"electron43@npm:electron@^43":
+  version: 43.0.0
+  resolution: "electron@npm:43.0.0"
+  dependencies:
+    "@electron-internal/extract-zip": "npm:^1.0.1"
+    "@electron/get": "npm:^5.0.0"
+    "@types/node": "npm:^24.9.0"
+  bin:
+    electron: cli.js
+    install-electron: install.js
+  checksum: 10c0/9f0bfb4e55dd97102941d009ce44ea1c5aa82325e877733284d75be8880ead11305ff45198d059e5127b441c94391ed159136cee23f2474e2416e2bbab2e9940
+  languageName: node
+  linkType: hard
+
 "electron@npm:^39.8.4":
   version: 39.8.6
   resolution: "electron@npm:39.8.6"