Add PIP_NO_USER

Author: rohanbabbar04

.github/workflows/build-mkl.yaml

@@ -16,13 +16,17 @@ jobs:
         python-version: ["3.11", "3.12", "3.13"]
 
     runs-on: ${{ matrix.platform }}
+    env:
+      PIP_NO_USER: "1"
     defaults:
       run:
         shell: bash -l {0}
     steps:
     - uses: actions/checkout@v6
-      with:
-        fetch-depth: 0
+    - name: Get history and tags for SCM versioning to work
+      run: |
+        git fetch --prune --unshallow
+        git fetch --depth=1 origin +refs/tags/*:refs/tags/*
     - uses: conda-incubator/setup-miniconda@v4
       with:
         use-mamba: true