Pin dependencies

Author: renovate-bot

package.json

@@ -42,10 +42,10 @@
     "@sourcegraph/eslint-config": "0.26.0",
     "@sourcegraph/prettierrc": "3.0.3",
     "@sourcegraph/tsconfig": "4.0.1",
-    "@types/diff": "^5.0.2",
-    "@types/google-protobuf": "^3.15.5",
-    "@types/node": "^17.0.9",
-    "@types/yargs": "^17.0.8",
+    "@types/diff": "5.0.2",
+    "@types/google-protobuf": "3.15.5",
+    "@types/node": "17.0.14",
+    "@types/yargs": "17.0.8",
     "@typescript-eslint/eslint-plugin": "^5.10.2",
     "@typescript-eslint/parser": "^5.10.2",
     "diff": "^5.0.0",