Update newsletter link (#20740)

* Update newsletter link

* Update src/panels/config/dashboard/ha-config-dashboard.ts

* Update src/onboarding/dialogs/community-dialog.ts

src/onboarding/dialogs/community-dialog.ts

@@ -48,7 +48,7 @@ class DialogCommunity extends LitElement {
         <a
           target="_blank"
           rel="noreferrer noopener"
-          href="https://www.home-assistant.io/newsletter/"
+          href="https://newsletter.openhomefoundation.org/"
         >
           <ha-list-item hasMeta graphic="icon">
             <img src="/static/icons/favicon-192x192.png" slot="graphic" />

src/panels/config/dashboard/ha-config-dashboard.ts

@@ -83,7 +83,7 @@ const randomTip = (hass: HomeAssistant, narrow: boolean) => {
         >`,
         newsletter: html`<span class="keep-together"
           ><a
-            href=${documentationUrl(hass, `/newsletter`)}
+            href="https://newsletter.openhomefoundation.org/"
             target="_blank"
             rel="noreferrer"
             >Newsletter</a