Fix running build on node 18

Two problems:

1. source-map@0.7.3 does not work on node 18
2. need to set --openssl-legacy-provider because webpack is using
   openssl in a legacy way that was changed in node 17.

Author: aeisenberg

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
 
       - uses: actions/setup-node@v1
         with:
-          node-version: '16.13.0'
+          node-version: '18'
 
       - name: Install dependencies
         working-directory: extensions/ql-vscode

extensions/ql-vscode/package-lock.json

@@ -1115,13 +1115,13 @@
     ]
   },
   "scripts": {
-    "build": "gulp",
+    "build": "NODE_OPTIONS=--openssl-legacy-provider gulp",
     "watch": "npm-run-all -p watch:*",
-    "watch:extension": "tsc --watch",
-    "watch:webpack": "gulp watchView",
-    "watch:css": "gulp watchCss",
+    "watch:extension": "NODE_OPTIONS=--openssl-legacy-provider tsc --watch",
+    "watch:webpack": "NODE_OPTIONS=--openssl-legacy-provider gulp watchView",
+    "watch:css": "NODE_OPTIONS=--openssl-legacy-provider gulp watchCss",
     "test": "mocha --exit -r ts-node/register test/pure-tests/**/*.ts",
-    "preintegration": "rm -rf ./out/vscode-tests && gulp",
+    "preintegration": "rm -rf ./out/vscode-tests && npm run build",
     "integration": "node ./out/vscode-tests/run-integration-tests.js no-workspace,minimal-workspace",
     "cli-integration": "npm run preintegration && node ./out/vscode-tests/run-integration-tests.js cli-integration",
     "update-vscode": "node ./node_modules/vscode/bin/install",
@@ -1148,6 +1148,7 @@
     "react-dom": "^17.0.2",
     "semver": "~7.3.2",
     "source-map-support": "^0.5.21",
+    "source-map": "git://github.com/mozilla/source-map.git#d69af1457a57d242e6b882ebd8aff1d145611b77",
     "stream": "^0.0.2",
     "stream-chain": "~2.2.4",
     "stream-json": "~1.7.3",