Remove node24 installation. It's the default now (#8014)

* Remove node24 installation. It's the default now

* Fix insta tests for llvm-cov

.github/workflows/ci.yaml

@@ -33,7 +33,6 @@ env:
   CARGO_PROFILE_DEV_DEBUG: 0
   CARGO_PROFILE_RELEASE_DEBUG: 0
   CARGO_TERM_COLOR: always
-  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true # TODO: Remove on 2026/06/02
   CI: true
 
 jobs:
@@ -541,12 +540,6 @@ jobs:
           key: prek-${{ hashFiles('.pre-commit-config.yaml') }}
           path: ~/.cache/prek
 
-      # TODO: Remove on 2026/06/02 when node24 is the default
-      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
-        with:
-          package-manager-cache: false
-          node-version: "24"
-
       - name: install prek
         id: prek
         uses: j178/prek-action@bdca6f102f98e2b4c7029491a53dfd366469e33d # v2.0.4

.github/workflows/cron-ci.yaml

@@ -15,7 +15,6 @@ on:
 
 env:
   CARGO_ARGS: --no-default-features --features stdlib,importlib,stdio,encodings,ssl-rustls-aws-lc,jit,host_env
-  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: 'true' # TODO: Remove on 2026/06/02
 
 jobs:
   # codecov collects code coverage data from the rust tests, python snippets and python test suite.
@@ -25,6 +24,8 @@ jobs:
     runs-on: ubuntu-latest
     # Disable this scheduled job when running on a fork.
     if: ${{ github.repository == 'RustPython/RustPython' || github.event_name != 'schedule' }}
+    env:
+      INSTA_WORKSPACE_ROOT: ${{ github.workspace }}
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: