fix(deps): update dependency @actions/exec to v2 (#1893)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

Author: renovate[bot]

package.json

@@ -32,7 +32,7 @@
   },
   "dependencies": {
     "@actions/core": "2.0.2",
-    "@actions/exec": "1.1.1",
+    "@actions/exec": "2.0.0",
     "@actions/github": "7.0.0",
     "@actions/io": "2.0.0",
     "@sindresorhus/is": "7.2.0",