Update end2endtest.yml

Update setup python to use the new version that avoid a cache size limit based on how it prints progress lol

Author: blester125

.github/workflows/end2endtest.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set Up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
         cache: "pip"