github/actions: use 'ubuntu-latest'.

It looks like cargo's clang does not work with ubuntu-22.04 on
lib-common ¯\_(ツ)_/¯.
Use ubuntu-latest instead.

Remove upgrading pip manually as it is handled by uv (was there for
pipenv actually) and does not work with Python 3.10+.

Change-Id: I25048b60fb0122af6698fbccb190ff05e0325d00
Priv-Id: fb00f60332eab76971d54312808ed971c462f300

Author: nicopauss

.github/workflows/tests.yml

@@ -6,7 +6,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        os: [ubuntu-22.04]
+        os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.os }}
     defaults:
@@ -37,11 +37,6 @@ jobs:
         env:
           DEBIAN_FRONTEND: noninteractive
 
-      - name: Update pip and install virtualenv
-        run: |
-          sudo python3 -m pip install --upgrade pip && \
-          sudo python3 -m pip install virtualenv
-
       - name: Install asdf
         uses: asdf-vm/actions/setup@v4
         with: