docs: Update after libvirt-ruby repository rename

Signed-off-by: Andrea Bolognani <abologna@redhat.com>

docs/ci.rst

@@ -76,16 +76,16 @@ Language bindings
           :target: https://gitlab.com/libvirt/libvirt-python/pipelines
           :alt: libvirt-python pipeline status
 
+   * - libvirt-ruby
+     - .. image:: https://gitlab.com/libvirt/libvirt-ruby/badges/master/pipeline.svg
+          :target: https://gitlab.com/libvirt/libvirt-ruby/pipelines
+          :alt: libvirt-ruby pipeline status
+
    * - libvirt-rust
      - .. image:: https://gitlab.com/libvirt/libvirt-rust/badges/master/pipeline.svg
           :target: https://gitlab.com/libvirt/libvirt-rust/pipelines
           :alt: libvirt-rust pipeline status
 
-   * - ruby-libvirt
-     - .. image:: https://gitlab.com/libvirt/ruby-libvirt/badges/master/pipeline.svg
-          :target: https://gitlab.com/libvirt/ruby-libvirt/pipelines
-          :alt: ruby-libvirt pipeline status
-
 
 Object mappings
 ---------------

docs/downloads.html.in

@@ -179,14 +179,14 @@
             <a href="https://libvirt.org/sources/ruby/">libvirt</a>
           </td>
           <td>
-            <a href="https://gitlab.com/libvirt/ruby-libvirt">gitlab</a>
+            <a href="https://gitlab.com/libvirt/libvirt-ruby">gitlab</a>
           </td>
           <td>
-            <a href="https://gitlab.com/libvirt/ruby-libvirt/-/issues">issues</a>
+            <a href="https://gitlab.com/libvirt/libvirt-ruby/-/issues">issues</a>
           </td>
           <td class="gitmirror">
-            <a href="https://libvirt.org/git/?p=ruby-libvirt.git;a=summary">libvirt</a>
-            <a href="https://github.com/libvirt/ruby-libvirt">github</a>
+            <a href="https://libvirt.org/git/?p=libvirt-ruby.git;a=summary">libvirt</a>
+            <a href="https://github.com/libvirt/libvirt-ruby">github</a>
           </td>
           <td></td>
         </tr>