Bump bootstrap-sass from 3.3.7 to 3.4.1 in /app/assets

Bumps [bootstrap-sass](https://github.com/twbs/bootstrap-sass) from 3.3.7 to 3.4.1.
- [Release notes](https://github.com/twbs/bootstrap-sass/releases)
- [Changelog](https://github.com/twbs/bootstrap-sass/blob/master/CHANGELOG.md)
- [Commits](twbs/bootstrap-sass@v3.3.7...v3.4.1)

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

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

app/assets/package.json

@@ -18,7 +18,7 @@
     "@fortawesome/free-regular-svg-icons": "^5.15.4",
     "@fortawesome/free-solid-svg-icons": "^5.15.4",
     "bootstrap-filestyle": "1.2.1",
-    "bootstrap-sass": "3.3.6",
+    "bootstrap-sass": "3.4.1",
     "bootstrap-select": "^1.13.5",
     "bootstrap-table": "1.19.1",
     "cross-env": "^5.2.1",

app/assets/yarn.lock

@@ -1710,17 +1710,17 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/bootstrap-filestyle/-/bootstrap-filestyle-1.2.1.tgz#4164271d5b101ec867565eebbdab25d210a581a0"
   integrity sha1-QWQnHVsQHshnVl7rvasl0hClgaA=
 
-bootstrap-sass@3.3.6:
-  version "3.3.6"
-  resolved "https://registry.yarnpkg.com/bootstrap-sass/-/bootstrap-sass-3.3.6.tgz#363b0d300e868d3e70134c1a742bb17288444fd1"
-  integrity sha1-NjsNMA6GjT5wE0wadCuxcohET9E=
+bootstrap-sass@3.4.1:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/bootstrap-sass/-/bootstrap-sass-3.4.1.tgz#6843c73b1c258a0ac5cb2cc6f6f5285b664a8e9a"
+  integrity sha512-p5rxsK/IyEDQm2CwiHxxUi0MZZtvVFbhWmyMOt4lLkA4bujDA1TGoKT0i1FKIWiugAdP+kK8T5KMDFIKQCLYIA==
 
 bootstrap-select@^1.13.5:
   version "1.13.18"
   resolved "https://registry.yarnpkg.com/bootstrap-select/-/bootstrap-select-1.13.18.tgz#4557119d58dc1159189977161c803962220e4dda"
   integrity sha512-V1IzK4rxBq5FrJtkzSH6RmFLFBsjx50byFbfAf8jYyXROWs7ZpprGjdHeoyq2HSsHyjJhMMwjsQhRoYAfxCGow==
 
-bootstrap-table@^1.19.1:
+[email protected]:
   version "1.19.1"
   resolved "https://registry.yarnpkg.com/bootstrap-table/-/bootstrap-table-1.19.1.tgz#c88384a2993d8df9618b80fee147f1bf1cb2d7c1"
   integrity sha512-WvV+l1AI/C+zThaKmfHmi/IuayVNB0qdFyEhFx1jyZhO0oLtNJNANkCR3rvJf6Dkh72dsLElxpE/bzK9seEQLA==
@@ -3578,11 +3578,6 @@ findup-sync@^3.0.0:
     micromatch "^3.0.4"
     resolve-dir "^1.0.1"
 
-floatthead@^2.1.2:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/floatthead/-/floatthead-2.2.4.tgz#5bcacc93d632b5ceb5f103c4cf065b2eb50f9cd7"
-  integrity sha512-3jkThaKmc6v62mUQwCBcnTsQEGLAxSIQOMK0U3o7tt3MSjNPaBc/lmaDFaJrWnFmV9LM4Jk3w/cROYJgOMJgHA==
-
 flush-write-stream@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.1.1.tgz#8dd7d873a1babc207d94ead0c2e0e44276ebf2e8"