Bump @actions/exec from 1.1.0 to 1.1.1 (#230)

Author: dependabot[bot]

package-lock.json

@@ -35,7 +35,7 @@
   "dependencies": {
     "@actions/artifact": "^0.6.0",
     "@actions/core": "^1.6.0",
-    "@actions/exec": "^1.1.0",
+    "@actions/exec": "^1.1.1",
     "@actions/github": "^5.0.0",
     "@actions/http-client": "^1.0.11",
     "@actions/tool-cache": "^1.7.2",