Go back to 1.43.0, no need to force a new version on users

it/runTest.ts

@@ -14,7 +14,10 @@ async function main() {
 
     // Download VS Code, unzip it and run the integration test
     await runTests({
-      version: "1.66.0", // force this version to avoid https://github.com/microsoft/vscode/issues/148975
+      // we use 1.53.0 rather than 1.43.0 because it's the first one
+      // available to be downloaded. Latest also has the following issue:
+      //https://github.com/microsoft/vscode/issues/148975
+      version: "1.53.0",
       extensionDevelopmentPath,
       extensionTestsPath,
     });

package.json

@@ -88,7 +88,7 @@
     "extension.vsix"
   ],
   "engines": {
-    "vscode": "^1.66.0"
+    "vscode": "^1.43.0"
   },
   "dependencies": {
     "follow-redirects": "^1.14.9",
@@ -98,7 +98,7 @@
     "@types/follow-redirects": "^1.14.1",
     "@types/jest": "^27.4.0",
     "@types/node": "^17.0.21",
-    "@types/vscode": "^1.66.0",
+    "@types/vscode": "^1.43.0",
     "@typescript-eslint/parser": "^2.3.0",
     "@vscode/test-electron": "^2.1.5",
     "eslint": "^8.10.0",