update bootstrap-sass version

package-lock.json

@@ -1653,9 +1653,9 @@
       }
     },
     "bootstrap-sass": {
-      "version": "3.3.7",
-      "resolved": "https://registry.npmjs.org/bootstrap-sass/-/bootstrap-sass-3.3.7.tgz",
-      "integrity": "sha1-ZZbHq0D2Y3OTMjqwvIDQZPxjBJg=",
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/bootstrap-sass/-/bootstrap-sass-3.4.1.tgz",
+      "integrity": "sha512-p5rxsK/IyEDQm2CwiHxxUi0MZZtvVFbhWmyMOt4lLkA4bujDA1TGoKT0i1FKIWiugAdP+kK8T5KMDFIKQCLYIA==",
       "dev": true
     },
     "brace-expansion": {
@@ -2715,6 +2715,12 @@
       "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=",
       "dev": true
     },
+    "de-indent": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/de-indent/-/de-indent-1.0.2.tgz",
+      "integrity": "sha1-sgOOhG3DO6pXlhKNCAS0VbjB4h0=",
+      "dev": true
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -8663,6 +8669,16 @@
         "loader-utils": "^1.0.2"
       }
     },
+    "vue-template-compiler": {
+      "version": "2.6.10",
+      "resolved": "https://registry.npmjs.org/vue-template-compiler/-/vue-template-compiler-2.6.10.tgz",
+      "integrity": "sha512-jVZkw4/I/HT5ZMvRnhv78okGusqe0+qH2A0Em0Cp8aq78+NK9TII263CDVz2QXZsIT+yyV/gZc/j/vlwa+Epyg==",
+      "dev": true,
+      "requires": {
+        "de-indent": "^1.0.2",
+        "he": "^1.1.0"
+      }
+    },
     "vue-template-es2015-compiler": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/vue-template-es2015-compiler/-/vue-template-es2015-compiler-1.9.1.tgz",

package.json

@@ -12,7 +12,7 @@
   },
   "devDependencies": {
     "axios": "^0.18",
-    "bootstrap-sass": "3.3.7",
+    "bootstrap-sass": ">=3.4.1",
     "cross-env": "^5.1",
     "font-awesome": "^4.7.0",
     "jquery": "^3.4.0",