Bump snap-shot-it from 5.0.1 to 6.1.8 (#2072)

Bumps [snap-shot-it](https://github.com/bahmutov/snap-shot-it) from 5.0.1 to 6.1.8.
- [Release notes](https://github.com/bahmutov/snap-shot-it/releases)
- [Commits](https://github.com/bahmutov/snap-shot-it/compare/v5.0.1...v6.1.8)

Signed-off-by: dependabot[bot] <support@dependabot.com>

package.json

@@ -172,7 +172,7 @@
     "semver-regex": "^2.0.0",
     "sinon": "^6.0.0",
     "sinon-chai": "^3.0.0",
-    "snap-shot-it": "^5.0.1",
+    "snap-shot-it": "^6.1.8",
     "tmp": "0.0.33",
     "url": "^0.11.0",
     "wait-promise": "^0.4.1"