feat: upgrade semver from 6.3.1 to 7.6.3

Snyk has created this PR to upgrade semver from 6.3.1 to 7.6.3.

See this package in npm:
semver

See this project in Snyk:
https://app.snyk.io/org/nerds-github/project/d7e30d7c-b888-4c87-948a-c60dcaafb5d6?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

packages/tool-cache/package.json

@@ -40,7 +40,7 @@
     "@actions/exec": "^1.0.0",
     "@actions/http-client": "^2.0.1",
     "@actions/io": "^1.1.1",
-    "semver": "^6.1.0",
+    "semver": "^7.6.3",
     "uuid": "^3.3.2"
   },
   "devDependencies": {