Bump source-map from 0.6.1 to 0.7.4 (#148)

Bumps [source-map](https://github.com/mozilla/source-map) from 0.6.1 to 0.7.4.
- [Changelog](https://github.com/mozilla/source-map/blob/master/CHANGELOG.md)
- [Commits](mozilla/source-map@0.6.1...v0.7.4)

---
updated-dependencies:
- dependency-name: source-map
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -222,7 +222,7 @@
     "signale": "^1.4.0",
     "skin-tone": "^2.0.0",
     "slash": "^5.1.0",
-    "source-map": "^0.6.1",
+    "source-map": "^0.7.4",
     "spawn-error-forwarder": "^1.0.0",
     "spdx-correct": "^3.2.0",
     "spdx-exceptions": "^2.5.0",