Windows Artifacts have incorrect Slugification

e.g. https://github.com/pylint-dev/pylint-pytest/actions/runs/6592065982?pr=2

Signed-off-by: Stavros Ntentos <133706+stdedos@users.noreply.github.com>

Author: stdedos

.github/workflows/run-tests.yaml

@@ -43,6 +43,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Slugify GITHUB_REPOSITORY
+        shell: '/bin/bash --noprofile --norc -Eeuxo pipefail {0}'
         run: echo "GITHUB_REPOSITORY_SLUG=${GITHUB_REPOSITORY////_}" >> $GITHUB_ENV
 
       - name: Set up Python ${{ matrix.python-version }}