Relax version constraints in package.json

extensions/ql-vscode/package.json

@@ -622,7 +622,7 @@
     "@types/google-protobuf": "^3.2.7",
     "@types/gulp": "^4.0.6",
     "@types/gulp-sourcemaps": "0.0.32",
-    "@types/js-yaml": "=3.12.2",
+    "@types/js-yaml": "~3.12.2",
     "@types/jszip": "~3.1.6",
     "@types/mocha": "~5.2.7",
     "@types/node": "^12.0.8",
@@ -666,7 +666,7 @@
     "ts-loader": "^5.4.5",
     "ts-node": "^8.3.0",
     "ts-protoc-gen": "^0.9.0",
-    "typescript": "=3.8.3",
+    "typescript": "~3.8.3",
     "typescript-formatter": "^7.2.2",
     "vsce": "^1.65.0",
     "vscode-test": "^1.4.0",