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/sidebars.js

@@ -1,5 +1,11 @@
-module.exports = {
+const generateVersionDropdown =
+    require("./src/utils.js").generateVersionDropdown;
+
+const docsSidebar = {
     docs: [
+        {
+            type: "html",
+        },
         {
             type: "doc",
             id: "index",
@@ -351,3 +357,6 @@ module.exports = {
         },
     ],
 };
+
+docsSidebar.docs[0].value = generateVersionDropdown(docsSidebar);
+module.exports = docsSidebar;