Revert "Bump actions/checkout from 1 to 4" (#1259)

Reverts #1239

Author: JackPGreen

.github/workflows/build-pr.yml

@@ -146,8 +146,9 @@ jobs:
     name: ubuntu-i386-(${{ matrix.build_type.type }}, ${{ matrix.shared_libs.name }}, ${{ matrix.with_openssl.name }})
 
     steps:
+        # Deliberately uses an old version because i386 is stuck on an outdated version of Javascript
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v1
         with:
           ref: ${{ needs.get-refs.outputs.ref }}
           token: ${{ secrets.GH_TOKEN }}