ci: renew cache at workflow modification

Author: Tonneau Anne-Sophie (CELAD)

.github/workflows/doc.yaml

@@ -20,8 +20,7 @@ jobs:
       - uses: mamba-org/setup-micromamba@v2
         with:
           environment-name: docs
-          cache-environment: true
-          cache-environment-key: docs-${{ hashFiles('.github/workflows/doc.yaml') }}
+          cache-environment: false
           post-cleanup: 'all'
           init-shell: bash
           create-args: >