CI: Update upload-artifact action

[why]
v3 is not available anymore it seems.
Anyhow, v4 is already rather old and I use it for all other Github
projects already. There are some differences but here it does not have
impact.

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

Author: Finii

.github/workflows/build_and_run_tests.yml

@@ -68,7 +68,7 @@ jobs:
       run: ./meson.py test -C build.release
 
     - name: Save error logs
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ always() && steps.buildnormal.outcome == 'failure' }}
       with:
         name: Meson-logs-${{ matrix.os }}
@@ -79,7 +79,7 @@ jobs:
       run: ./meson.py test -C build.asan
 
     - name: Save error logs
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ always() && steps.buildasan.outcome == 'failure' }}
       with:
         name: Meson-logs-${{ matrix.os }}