Update dependency jdx/mise to v2025.8.20

Author: renovate[bot]

.github/actions/mise-project-setup/action.yaml

@@ -18,7 +18,7 @@ runs:
         CACHE_MODE: ${{ inputs.cache-mode }}
         DIRECTORY: ${{ inputs.directory }}
         # renovate: datasource=github-releases depName=jdx/mise
-        MISE_VERSION: v2025.8.18
+        MISE_VERSION: v2025.8.20
       run: |
         # Initialize mise-project-setup action
         "${GITHUB_ACTION_PATH}/init.sh"

.github/workflows/cache-cleanup-after-mise-update.yaml

@@ -22,5 +22,5 @@ jobs:
           GH_TOKEN: ${{ github.token }}
           GH_REPO: ${{ github.repository }}
           # renovate: datasource=github-releases depName=jdx/mise
-          MISE_VERSION: v2025.8.18
+          MISE_VERSION: v2025.8.20
         run: ./.github/scripts/delete_obsolete_mise_caches.py