build(deps-dev): bump @actions/exec from 1.1.1 to 2.0.0 (#79)

Author: dependabot[bot]

dist/index.js

@@ -21,7 +21,7 @@
         "@actions/core": "^2.0.1"
     },
     "devDependencies": {
-        "@actions/exec": "^1.1.1",
+        "@actions/exec": "^2.0.0",
         "@actions/http-client": "^3.0.0",
         "@actions/io": "^2.0.0",
         "@actions/tool-cache": "^2.0.2",