Bump execa from 4.1.0 to 5.1.1

Bumps [execa](https://github.com/sindresorhus/execa) from 4.1.0 to 5.1.1.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](sindresorhus/execa@v4.1.0...v5.1.1)

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

Author: dependabot-preview[bot]

package.json

@@ -39,7 +39,7 @@
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^3.4.0",
-    "execa": "^4.0.3",
+    "execa": "^5.1.1",
     "prettier": "^2.3.0",
     "qunit": "^2.15.0",
     "release-it": "^14.7.0",

yarn.lock

@@ -2976,6 +2976,21 @@ execa@^4.0.2, execa@^4.0.3:
     signal-exit "^3.0.2"
     strip-final-newline "^2.0.0"
 
+execa@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-5.1.1.tgz#f80ad9cbf4298f7bd1d4c9555c21e93741c411dd"
+  integrity sha512-8uSpZZocAZRBAPIEINJj3Lo9HyGitllczc27Eh5YYojjMFMn8yHMDMaUHE2Jqfq05D/wucwI4JGURyXt1vchyg==
+  dependencies:
+    cross-spawn "^7.0.3"
+    get-stream "^6.0.0"
+    human-signals "^2.1.0"
+    is-stream "^2.0.0"
+    merge-stream "^2.0.0"
+    npm-run-path "^4.0.1"
+    onetime "^5.1.2"
+    signal-exit "^3.0.3"
+    strip-final-newline "^2.0.0"
+
 exit@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/exit/-/exit-0.1.2.tgz#0632638f8d877cc82107d30a0fff1a17cba1cd0c"