Bump @types/node from 12.12.7 to 12.12.8 (#24)

Bump @types/node from 12.12.7 to 12.12.8

Author: dependabot-preview[bot]

package-lock.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "@actions/io": "^1.0.0",
     "@types/fs-extra": "^8.0.1",
-    "@types/node": "^12.12.7",
+    "@types/node": "^12.12.8",
     "prettier": "^1.19.1",
     "typescript": "^3.7.2",
     "typescript-formatter": "^7.2.2"