ci: bump mise-action, so it hopefully fixes the behaviour

Author: auxesis

.github/workflows/test-eql.yml

@@ -41,11 +41,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: jdx/mise-action@v2
+      - uses: jdx/mise-action@v3
         with:
           version: 2025.11.2 # [default: latest] mise version to install
           install: true # [default: true] run `mise install`
           cache: true # [default: true] cache mise using GitHub's cache
+          cache_key_prefix: "mise-v3"
 
       - name: Setup database (Postgres ${{ matrix.postgres-version }})
         run: |