Add system install test for CentOS (#2402)

Similar to #2403

.github/workflows/ci.yml

@@ -244,6 +244,35 @@ jobs:
       - name: "Validate global Python install"
         run: python scripts/check_system_python.py --uv ./uv
 
+  system-test-centos:
+    needs: build-binary-linux
+    name: "check system | python on centos"
+    runs-on: ubuntu-latest
+    container: centos:8
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install Python"
+        run: |
+          # Add CentOS stream repositories, you cannot install from the EOL CentOS 8 mirrors
+          dnf -y --disablerepo '*' --enablerepo extras swap centos-linux-repos centos-stream-repos
+          # `python` gives you `python3.6` which we do not support
+          dnf install python39 python39-pip which -y
+
+      - name: "Download binary"
+        uses: actions/download-artifact@v4
+        with:
+          name: uv-linux-${{ github.sha }}
+
+      - name: "Prepare binary"
+        run: chmod +x ./uv
+
+      - name: "Print Python path"
+        run: echo $(which python3)
+
+      - name: "Validate global Python install"
+        run: python3 scripts/check_system_python.py --uv ./uv
+
   system-test-pypy:
     needs: build-binary-linux
     name: "check system | pypy on ubuntu"
@@ -492,7 +521,6 @@ jobs:
           # Needed for `actions/checkout`
           yum install tar gzip which -y
       - uses: actions/checkout@v4
-
       - name: "Install Python"
         run: yum install python3 python3-pip -y