Bump bootstrap from 4.2.1 to 4.3.1

Bumps [bootstrap](https://github.com/twbs/bootstrap) from 4.2.1 to 4.3.1.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@v4.2.1...v4.3.1)

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

package.json

@@ -11,7 +11,7 @@
     },
     "devDependencies": {
         "axios": "^0.21",
-        "bootstrap": "^4.0.0",
+        "bootstrap": "^4.3.1",
         "cross-env": "^5.1",
         "jquery": "^3.2",
         "laravel-mix": "^4.0.7",

yarn.lock

@@ -995,9 +995,9 @@ boolbase@^1.0.0, boolbase@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
 
-bootstrap@^4.0.0:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.2.1.tgz#8f8bdca024dbf0e8644da32e918c8a03a90a5757"
+bootstrap@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.3.1.tgz#280ca8f610504d99d7b6b4bfc4b68cec601704ac"
 
 brace-expansion@^1.1.7:
   version "1.1.11"