Update dependency semver to v7

Author: renovate[bot]

packages/pkg-tests/pkg-tests-core/package.json

@@ -6,7 +6,7 @@
         "fs-extra": "^7.0.0",
         "klaw": "^2.1.1",
         "minimatch": "^3.0.4",
-        "semver": "^5.5.0",
+        "semver": "^7.0.0",
         "super-resolve": "^1.0.0",
         "tar-fs": "^1.16.0",
         "tmp": "^0.0.33"