reenable search bar for new mkdocs-material library

scripts/install-mkdocs.sh

@@ -1,10 +1,10 @@
 #!/bin/bash
 
 pip install \
-    mkdocs-material \
+    "mkdocs-material>=9.0.2" \
     mkdocs-macros-plugin \
     mkdocs-literate-nav \
     mkdocs-git-authors-plugin \
     mkdocs-git-revision-date-localized-plugin \
     mkdocs-simple-hooks \
-    plugins/mkdocs-git-committers-plugin-2
+    plugins/mkdocs-git-committers-plugin-2

src/overrides/partials/header.html

@@ -77,7 +77,7 @@
         </div>
       </div>
     {% endif %}
-    {% if "search" in config["plugins"] %}
+    {% if "material/search" in config["plugins"] %}
       <label class="md-header__button md-icon" for="__search">
         {% include ".icons/material/magnify.svg" %}
       </label>