update setuptools so trl can be installed from main for nightlies (#3471)

* update setuptools so trl can be installed from main for nightlies

* run the nightly in the PR CI on change

* use range request, don't use cu129 in CI since it's not supported with AO

* run multigpu ci if CCE install script changes

.github/workflows/tests-nightly.yml

@@ -3,6 +3,10 @@ on:
   workflow_dispatch:
   schedule:
     - cron: '0 0 * * *'  # Runs at 00:00 UTC every day
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+    paths:
+      - '.github/workflows/tests-nightly.yml'
 
 jobs:
   pre-commit:
@@ -27,7 +31,7 @@ jobs:
       - name: Restore Cache from S3
         id: hf-cache-restore-s3
         run: |
-          curl -L https://axolotl-ci.b-cdn.net/hf-cache.tar.zst > /dev/null
+          curl -v -H "Range: bytes=0-1023" -L https://axolotl-ci.b-cdn.net/hf-cache.tar.zst > /dev/null
 
   pytest:
     name: PyTest
@@ -35,7 +39,6 @@ jobs:
     needs: [prime-cdn-s3-cache]
     strategy:
       fail-fast: false
-      max-parallel: 2
       matrix:
         python_version: ["3.12"]  # TODO include py3.14 once https://github.com/mistralai/mistral-common/pull/194 is merged
         pytorch_version: ["2.8.0", "2.9.1", "2.10.0"]
@@ -60,7 +63,7 @@ jobs:
       - name: upgrade pip
         run: |
           pip3 install --upgrade pip
-          pip3 install --upgrade packaging==26.0 setuptools==75.8.0 wheel
+          pip3 install --upgrade packaging==26.0 setuptools==78.1.1 wheel
 
       - name: Install PyTorch
         run: |