build(deps): bump execa from 4.0.2 to 4.0.3

Bumps [execa](https://github.com/sindresorhus/execa) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/sindresorhus/execa/releases)
- [Commits](sindresorhus/execa@v4.0.2...v4.0.3)

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

yarn.lock

@@ -1989,9 +1989,9 @@ execa@^1.0.0:
     strip-eof "^1.0.0"
 
 execa@^4.0.0, execa@^4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/execa/-/execa-4.0.2.tgz#ad87fb7b2d9d564f70d2b62d511bee41d5cbb240"
-  integrity sha512-QI2zLa6CjGWdiQsmSkZoGtDx2N+cQIGb3yNolGTdjSQzydzLgYYf8LRuagp7S7fPimjcrzUDSUFd/MgzELMi4Q==
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-4.0.3.tgz#0a34dabbad6d66100bd6f2c576c8669403f317f2"
+  integrity sha512-WFDXGHckXPWZX19t1kCsXzOpqX9LWYNqn4C+HqZlk/V0imTkzJZqf87ZBhvpHaftERYknpk0fjSylnXVlVgI0A==
   dependencies:
     cross-spawn "^7.0.0"
     get-stream "^5.0.0"