deps: update signal-exit requirement from ^3.0.2 to ^3.0.7

Updates the requirements on [signal-exit](https://github.com/tapjs/signal-exit) to permit the latest version.
- [Release notes](https://github.com/tapjs/signal-exit/releases)
- [Changelog](https://github.com/tapjs/signal-exit/blob/master/CHANGELOG.md)
- [Commits](tapjs/signal-exit@v3.0.2...v3.0.7)

---
updated-dependencies:
- dependency-name: signal-exit
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -32,7 +32,7 @@
   "dependencies": {
     "imurmurhash": "^0.1.4",
     "is-typedarray": "^1.0.0",
-    "signal-exit": "^3.0.2",
+    "signal-exit": "^3.0.7",
     "typedarray-to-buffer": "^4.0.0"
   },
   "devDependencies": {