fix(dependencies+tests): update EoL/vulnerable dependencies and improve test stability

* Upgrade Python from 3.10 to 3.12
* Update frontend dependencies, replace node-sass with sass

assets/tests/pages.py

@@ -58,9 +58,13 @@ class AssetList(BasePage):
     def search(self):
         old_assets = self.find_elements(*self._asset_item_locator)
         self.find_element(*self._go_button_locator).click()
-        WebDriverWait(self.driver, 10).until(
-            expected_conditions.staleness_of(old_assets[0])
-        )
+        if len(old_assets) > 0:
+            WebDriverWait(self.driver, 10).until(
+                expected_conditions.staleness_of(old_assets[0])
+            )
+        else:
+            import time
+            time.sleep(2)
 
 
     def filter(self):

assets/tests/test_interaction.py

@@ -83,6 +83,7 @@ def test_search(logged_in_browser, admin_user, live_server, test_asset, test_ass
     page.status_selector.toggle()
     assert not page.status_selector.is_open
     page.filter()
+    time.sleep(2)
     assert len(page.assets) == 2
 
     page.category_selector.toggle()
@@ -91,6 +92,7 @@ def test_search(logged_in_browser, admin_user, live_server, test_asset, test_ass
     page.category_selector.close()
     assert not page.category_selector.is_open
     page.filter()
+    time.sleep(2)
     assert len(page.assets) == 2