.github/workflows/build: install python3-distutils

This fixes the following error when building on our Debian bookworm based
self-hosted runner:

> ERROR:  OE-core's config sanity checker detected a potential misconfiguration.
>     Either fix the cause of this error or at your own risk disable the checker (see sanity.conf).
>     Following is the list of potential problems / advisories:
>
>     Your Python 3 is not a full install. Please install the module distutils.sysconfig (see the Getting Started guide for further information).

Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de>

Author: hnez

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - name: Install required packages
         run: |
-          sudo apt-get -q -y --no-install-recommends install diffstat chrpath
+          sudo apt-get -q -y --no-install-recommends install diffstat chrpath python3-distutils
       - name: Checkout
         uses: actions/checkout@v4
         with: