upgrade bootstrap

package.json

@@ -32,7 +32,7 @@
     "test:tdd": "yarn test --watch"
   },
   "dependencies": {
-    "bootstrap": "4.0.0-alpha.4",
+    "bootstrap": "^4.0.0",
     "lit": "^2.0.0-rc.2",
     "lit-redux-router": "~0.19.0",
     "pwa-helpers": "^0.9.1",

src/theme.css

@@ -1,5 +1,4 @@
-/* @import "../node_modules/bootstrap/dist/css/bootstrap.css"; */
-@import "../node_modules/bootstrap/scss/bootstrap-flex.scss";
+@import "../node_modules/bootstrap/scss/bootstrap.scss";
 
 :root {
   /* raw tokens */

yarn.lock

@@ -3671,13 +3671,10 @@ boolbase@^1.0.0, boolbase@~1.0.0:
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
   integrity sha1-aN/1++YMUes3cl6p4+0xDcwed24=
 
-bootstrap@4.0.0-alpha.4:
-  version "4.0.0-alpha.4"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.0.0-alpha.4.tgz#823cb353d6c50a38df98aa18ec4df56ef0355e7a"
-  integrity sha1-gjyzU9bFCjjfmKoY7E31bvA1Xno=
-  dependencies:
-    jquery "1.9.1 - 3"
-    tether "^1.1.1"
+bootstrap@^4.0.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.6.0.tgz#97b9f29ac98f98dfa43bf7468262d84392552fd7"
+  integrity sha512-Io55IuQY3kydzHtbGvQya3H+KorS/M9rSNyfCGCg9WZ4pyT/lCxIlpJgG1GXW/PswzC84Tr2fBYi+7+jFVQQBw==
 
 boxen@^4.2.0:
   version "4.2.0"
@@ -7581,11 +7578,6 @@ jest-worker@^26.2.1, jest-worker@^26.5.0, jest-worker@^26.6.2:
     merge-stream "^2.0.0"
     supports-color "^7.0.0"
 
-"jquery@1.9.1 - 3":
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.6.0.tgz#c72a09f15c1bdce142f49dbf1170bdf8adac2470"
-  integrity sha512-JVzAR/AjBvVt2BmYhxRCSYysDsPcssdmTFnzyLEts9qNwmjmu4JTAMYubEfwVOSwpQ1I1sKKFcxhZCI2buerfw==
-
 js-string-escape@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/js-string-escape/-/js-string-escape-1.0.1.tgz#e2625badbc0d67c7533e9edc1068c587ae4137ef"
@@ -12005,11 +11997,6 @@ test-exclude@^6.0.0:
     glob "^7.1.4"
     minimatch "^3.0.4"
 
-tether@^1.1.1:
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/tether/-/tether-1.4.7.tgz#d56a818590d8fe72e387f77a67f93ab96d8e1fb2"
-  integrity sha512-Z0J1aExjoFU8pybVkQAo/vD2wfSO63r+XOPfWQMC5qtf1bI7IWqNk4MiyBcgvvnY8kqnY06dVdvwTK2S3PU/Fw==
-
 text-table@0.2.0, text-table@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"