tree-wide: use noopener instead of noreferrer for target="_blank"

This will allow us to see when users click links to the pybricks.com
website from the app.

.eslintrc.js

@@ -27,6 +27,7 @@ module.exports = {
         'sort-imports': ['error', { ignoreDeclarationSort: true }],
         'import/order': ['error', { alphabetize: { order: 'asc' } }],
         'react-hooks/exhaustive-deps': 'error',
+        'react/jsx-no-target-blank': ['error', { allowReferrer: true }],
     },
     settings: {
         react: { version: 'detect' },

src/alerts/UnexpectedErrorAlert.tsx

@@ -67,6 +67,7 @@ const UnexpectedErrorAlert: React.VoidFunctionComponent<UnexpectedErrorAlertProp
                             'is:issue',
                         )}+${encodeURIComponent(error.message)}`}
                         target="_blank"
+                        rel="noopener"
                     >
                         {i18n.translate('reportBug')}
                     </AnchorButton>

src/ble/alerts/NoHub.tsx

@@ -28,6 +28,7 @@ const NoHub: React.VoidFunctionComponent<NoHubProps> = ({ onFlashFirmware }) =>
                     icon="help"
                     href={pybricksBluetoothTroubleshootingUrl}
                     target="_blank"
+                    rel="noopener"
                 >
                     {i18n.translate('noHub.troubleshootButton')}
                     <ExternalLinkIcon />

src/firmware/alerts/NoDfuHub.tsx

@@ -38,6 +38,7 @@ const NoDfuHub: React.VoidFunctionComponent<NoDfuHubProps> = ({
                         icon="help"
                         href={pybricksUsbLinuxUdevRulesUrl}
                         target="_blank"
+                        rel="noopener"
                     >
                         {i18n.translate('noDfuHub.configureUdevRulesButton')}
                         <ExternalLinkIcon />
@@ -47,6 +48,7 @@ const NoDfuHub: React.VoidFunctionComponent<NoDfuHubProps> = ({
                     icon="help"
                     href={pybricksUsbDfuTroubleshootingUrl}
                     target="_blank"
+                    rel="noopener"
                 >
                     {i18n.translate('noDfuHub.troubleshootButton')}
                     <ExternalLinkIcon />

src/firmware/bootloaderInstructions/BootloaderInstructions.tsx

@@ -348,7 +348,7 @@ const BootloaderInstructions: React.VoidFunctionComponent<
                                 <a
                                     href={pybricksUsbLinuxUdevRulesUrl}
                                     target="_blank"
-                                    rel="noreferrer"
+                                    rel="noopener"
                                 >
                                     {i18n.translate('warning.linux.learnMore')}
                                 </a>

src/notifications/sagas.ts

@@ -75,11 +75,12 @@ function mapIcon(level: Level): IconName | undefined {
  * Converts a URL to an action that can be passed to `ToasterInstance.show()`.
  * @param helpUrl A URL.
  */
-function helpAction(helpUrl: string): ActionProps & LinkProps {
+function helpAction(helpUrl: string): ActionProps & LinkProps & { rel: string } {
     return {
         icon: 'help',
         href: helpUrl,
         target: '_blank',
+        rel: 'noopener',
     };
 }
 

src/sponsor/SponsorDialog.tsx

@@ -38,7 +38,7 @@ const SponsorDialog: React.VoidFunctionComponent = () => {
                                 <a
                                     href={pybricksTeamUrl}
                                     target="_blank"
-                                    rel="noreferrer"
+                                    rel="noopener"
                                 >
                                     {i18n.translate('whoAreWe.team.team')}
                                 </a>
@@ -74,7 +74,7 @@ const SponsorDialog: React.VoidFunctionComponent = () => {
                         fill={true}
                         href="https://github.com/sponsors/pybricks"
                         target="_blank"
-                        rel="noreferrer"
+                        rel="noopener"
                     >
                         GitHub Sponsors
                         <ExternalLinkIcon />
@@ -86,7 +86,7 @@ const SponsorDialog: React.VoidFunctionComponent = () => {
                         fill={true}
                         href="https://www.patreon.com/pybricks"
                         target="_blank"
-                        rel="noreferrer"
+                        rel="noopener"
                     >
                         Patreon
                         <ExternalLinkIcon />
@@ -98,7 +98,7 @@ const SponsorDialog: React.VoidFunctionComponent = () => {
                         fill={true}
                         href="https://paypal.me/pybricks"
                         target="_blank"
-                        rel="noreferrer"
+                        rel="noopener"
                     >
                         Paypal
                         <ExternalLinkIcon />