Bump lodash.mergewith from 4.6.1 to 4.6.2 in /SparkMonitor

Bumps [lodash.mergewith](https://github.com/lodash/lodash) from 4.6.1 to 4.6.2.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/commits

)

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

SparkMonitor/yarn.lock

@@ -3701,8 +3701,8 @@ lodash.memoize@^4.1.2:
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
 
 lodash.mergewith@^4.6.1:
-  version "4.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
+  version "4.6.2"
+  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.2.tgz#617121f89ac55f59047c7aec1ccd6654c6590f55"
 
 lodash.uniq@^4.5.0:
   version "4.5.0"