Upgrade yarn packages to clear dependabot warnings

app/frontend/styles/_filter.scss

@@ -5,7 +5,7 @@
 
 .govuk-checkboxes__label,
 .govuk-radios__label {
-  &:before {
+  &::before {
     background-color: govuk-colour("white");
   }
 }
@@ -57,7 +57,7 @@
     border: 0;
   }
 
-  &:before {
+  &::before {
     background-image: url("../assets/images/icon-cross.svg");
     content: "";
     display: inline-block;

app/frontend/styles/_panel.scss

@@ -19,8 +19,8 @@
     margin-bottom: 0;
   }
 
-  .govuk-radios__label:before,
-  & :after {
+  .govuk-radios__label::before,
+  & ::after {
     color: govuk-colour("black");
     border-color: govuk-colour("black");
     background-color: govuk-colour("white");

app/frontend/styles/_primary-navigation.scss

@@ -54,7 +54,7 @@
   @include govuk-typography-weight-bold;
 
   // Extend the touch area of the link to the list
-  &:after {
+  &::after {
     bottom: 0;
     content: "";
     left: 0;

app/frontend/styles/_sub-navigation.scss

@@ -64,7 +64,7 @@
   position: relative;
 
   // Extend the touch area of the link to the list
-  &:after {
+  &::after {
     bottom: 0;
     content: "";
     left: 0;

app/frontend/styles/_table-group.scss

@@ -2,7 +2,7 @@
   overflow-x: auto;
   overflow-y: hidden;
   margin: govuk-spacing(-3) govuk-spacing(-3) govuk-spacing(3);
-  padding: govuk-spacing(3) govuk-spacing(3);
+  padding: govuk-spacing(3);
   scrollbar-color: $govuk-text-colour govuk-colour("light-grey");
 
   .govuk-table {

package.json

@@ -37,8 +37,8 @@
   "devDependencies": {
     "are-you-es5": "^2.1.2",
     "standard": "^17.0.0",
-    "stylelint": "^15.10.1",
-    "stylelint-config-gds": "^0.2.0"
+    "stylelint": "^16.8.2",
+    "stylelint-config-gds": "^2.0.0"
   },
   "browserslist": {
     "production": [