fix(deps): pin dependencies

Author: renovate[bot]

spectral/package.json

@@ -14,19 +14,19 @@
     "cli-integration-tests": "./scripts/rules.sh"
   },
   "dependencies": {
-    "@stoplight/spectral": "^5.3.0"
+    "@stoplight/spectral": "5.9.1"
   },
   "devDependencies": {
-    "@types/node": "^15.12.4",
-    "@typescript-eslint/eslint-plugin": "^4.27.0",
-    "@typescript-eslint/parser": "^4.27.0",
-    "eslint": "^7.29.0",
-    "eslint-config-standard": "^16.0.3",
-    "eslint-plugin-import": "^2.23.4",
-    "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-promise": "^5.1.0",
-    "tsc": "^2.0.3",
-    "typescript": "^4.3.4"
+    "@types/node": "15.14.1",
+    "@typescript-eslint/eslint-plugin": "4.28.2",
+    "@typescript-eslint/parser": "4.28.2",
+    "eslint": "7.30.0",
+    "eslint-config-standard": "16.0.3",
+    "eslint-plugin-import": "2.23.4",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.1.0",
+    "tsc": "2.0.3",
+    "typescript": "4.3.5"
   },
   "repository": {
     "type": "git",