🛠️: pin eslint version to fix CI pipelines

.github/workflows/daily-ci-checks.yml

@@ -62,7 +62,7 @@ jobs:
         with:
           node-version: '20.10'
       - name: Install `eslint`
-        run: npm install eslint
+        run: npm install eslint@8.57.0 # pin this version as newer ones require us to use eslint@9 which comes with a new config format
       - name: Install `jsdoc` plugin for `eslint`
         run: npm install eslint-plugin-jsdoc
       - name: Install `eslint` parser for `babel`