Bump bootstrap from 4.0.0 to 4.3.1

Bumps [bootstrap](https://github.com/twbs/bootstrap) from 4.0.0 to 4.3.1.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@v4.0.0...v4.3.1)

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -4,7 +4,7 @@
   "private": true,
   "dependencies": {
     "axios": "^0.19.2",
-    "bootstrap": "4.0.0",
+    "bootstrap": "4.3.1",
     "bootstrap-social": "5.1.1",
     "cross-fetch": "2.1.0",
     "font-awesome": "4.7.0",

yarn.lock

@@ -1148,9 +1148,10 @@ [email protected]:
     bootstrap "~3"
     font-awesome "~4.7"
 
-[email protected]:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.0.0.tgz#ceb03842c145fcc1b9b4e15da2a05656ba68469a"
+[email protected]:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.3.1.tgz#280ca8f610504d99d7b6b4bfc4b68cec601704ac"
+  integrity sha512-rXqOmH1VilAt2DyPzluTi2blhk17bO7ef+zLLPlWvG494pDxcM234pJ8wTc/6R40UWizAIIMgxjvxZg5kmsbag==
 
 bootstrap@~3:
   version "3.3.7"