chore: update to stable MikroORM v7.0.1 (#9)

* chore: update to stable MikroORM v7.0.1

* ci: drop node 20 from matrix

Author: B4nan

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [20, 22, 24]
+        node-version: [22, 24]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4