chore(deps): bump @bower_components/bootstrap in /build

Bumps [@bower_components/bootstrap](https://github.com/twbs/bootstrap) from 3.4.1 to v5.3.7.
- [Release notes](https://github.com/twbs/bootstrap/releases)
- [Commits](twbs/bootstrap@68b0d23...e0032ae)

---
updated-dependencies:
- dependency-name: "@bower_components/bootstrap"
  dependency-version: e0032ae6a5a628a51a8552091816cec09b6434df
  dependency-type: direct:production
...

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

Author: dependabot[bot]

build/package.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "@bower_components/backbone": "jashkenas/backbone#1.6.1",
     "@bower_components/blueimp-md5": "blueimp/JavaScript-MD5#1.0.1",
-    "@bower_components/bootstrap": "twbs/bootstrap#3.4.1",
+    "@bower_components/bootstrap": "twbs/bootstrap#v5.3.7",
     "@bower_components/bowser": "ded/bowser#1.9.4",
     "@bower_components/browser-update": "Graffino/Browser-Update#v2.0.5",
     "@bower_components/clipboard": "zenorocha/clipboard.js#v2.0.11",

build/yarn.lock

@@ -200,9 +200,10 @@
   version "1.0.1"
   resolved "https://codeload.github.com/blueimp/JavaScript-MD5/tar.gz/b84e37f2574f57be6b06d9690da865b6546b4d76"
 
-"@bower_components/bootstrap@twbs/bootstrap#3.4.1":
-  version "3.4.1"
-  resolved "https://codeload.github.com/twbs/bootstrap/tar.gz/68b0d231a13201eb14acd3dc84e51543d16e5f7e"
+"@bower_components/bootstrap@twbs/bootstrap#v5.3.7":
+  version "5.3.7"
+  uid e0032ae6a5a628a51a8552091816cec09b6434df
+  resolved "https://codeload.github.com/twbs/bootstrap/tar.gz/e0032ae6a5a628a51a8552091816cec09b6434df"
 
 "@bower_components/bowser@ded/bowser#1.9.4":
   version "1.9.4"