Update dependency bootstrap to v5 [SECURITY] (#67)

* Update dependency bootstrap to v5 [SECURITY]

* upgrade Bootstrap version in Ember Bootstrap configuration as well

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Jeldrik Hanschke <[email protected]>

Author: renovate[bot]

ember-cli-build.js

@@ -6,7 +6,7 @@ module.exports = function (defaults) {
   let app = new EmberAddon(defaults, {
     // Add options here
     'ember-bootstrap': {
-      bootstrapVersion: 4,
+      bootstrapVersion: 5,
       importBootstrapFont: false,
       importBootstrapCSS: true,
     },

package.json

@@ -41,7 +41,7 @@
     "@glimmer/component": "1.1.2",
     "@glimmer/tracking": "1.1.2",
     "babel-eslint": "10.1.0",
-    "bootstrap": "4.6.2",
+    "bootstrap": "5.0.0",
     "broccoli-asset-rev": "3.0.0",
     "ember-auto-import": "2.4.2",
     "ember-bootstrap": "5.1.1",