Revert "chore: upgrade to node 18" (#34496)

* Revert "chore: upgrade to node 18"

* Revert "fix: bump npm from 10.2.x to 10.5.x"

This reverts commit b6662d4ee0.

* Revert "fix: replace outdated webpack plugins"

This reverts commit b204f1b572.

* Revert "build: Remove the `npm bin` calls from package.json"

This reverts commit 4e3dd161ff.

* fix: fix bad conflict resolution.

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Co-authored-by: Diana Huang <dkh@edx.org>

.github/workflows/lockfileversion-check.yml

@@ -10,4 +10,4 @@ on:
 
 jobs:
   version-check:
-    uses: openedx/.github/.github/workflows/lockfileversion-check-v3.yml@master
+    uses: openedx/.github/.github/workflows/lockfileversion-check.yml@master