ci(linux): re-install libkrb5-dev [skip ci]

.github/workflows/insider-linux.yml

@@ -90,8 +90,8 @@ jobs:
       #   with:
       #     python-version: '3.11'
 
-      # - name: Install libkrb5-dev
-      #   run: sudo apt-get install -y libkrb5-dev
+      - name: Install libkrb5-dev
+        run: sudo apt-get install -y libkrb5-dev
 
       - name: Clone VSCode repo
         run: ./get_repo.sh