Rename Slack channel to community (#2091)

apps/client/src/app/pages/blog/2023/02/ghostfolio-meets-umbrel/ghostfolio-meets-umbrel-page.html

@@ -84,13 +84,13 @@
         <section class="mb-4">
           <p>
             To participate in the ongoing development of Ghostfolio, please feel
-            free to reach out to us on our
+            free to contact us in the
             <a
               href="https://join.slack.com/t/ghostfolio/shared_invite/zt-vsaan64h-F_I0fEo5M0P88lP9ibCxFg"
               target="_blank"
-              >Slack channel</a
+              >Slack</a
             >
-            or via Twitter
+            community or via Twitter
             <a href="https://twitter.com/ghostfolio_" target="_blank"
               >@ghostfolio_</a
             >. We look forward to hearing from you!