website: update release notes (#6590)

* move 2023.7 to 2023.8

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* move version dropdown from navbar to sidebar, and only have it on applicable sites

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* remove title instead of just hiding it

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* fix some styling for the mobile navbar sidebar

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* add social image

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* Optimised images with calibre/image-actions

* fix website tests

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>
Co-authored-by: authentik-automation[bot] <135050075+authentik-automation[bot]@users.noreply.github.com>

website/test/sidebarIntegrations.mjs

@@ -6,6 +6,9 @@ import glob from "glob";
 const getSidebarItems = () => {
     const allItems = [];
     const mapper = (category) => {
+        if (!category.items) {
+            return;
+        }
         category.items.forEach((item) => {
             if (item.constructor === String) {
                 allItems.push(item);