ngx-bootstrap dependency correction

projects/visualiseur-core/package.json

@@ -31,7 +31,7 @@
     "moment": "^2.24.0",
     "ng-multiselect-dropdown": "0.2.5",
     "ng2-dragula": "^2.1.1",
-    "ngx-bootstrap": "^3.3.0",
+    "ngx-bootstrap": "~8.0.0",
     "ngx-color-picker": "^8.2.0",
     "ngx-editor": "^4.1.0",
     "ngx-icon-picker": "0.0.10",