Fix pip update for windows workflow (#2381)

Author: echarlaix

.github/workflows/test_cli.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install --upgrade pip uv
+          python -m pip install --upgrade pip uv
           uv pip install ./optimum-onnx[onnxruntime]
           uv pip install ./optimum[tests]
 

.github/workflows/test_common.yml

@@ -37,7 +37,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install --upgrade pip uv
+          python -m pip install --upgrade pip uv
           uv pip install .[tests]
 
       - name: Test with pytest

.github/workflows/test_exporters_common.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install --upgrade pip uv
+          python -m pip install --upgrade pip uv
           uv pip install ./optimum-onnx
           uv pip install ./optimum[tests]
 

.github/workflows/test_pipelines.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install --upgrade pip uv
+          python -m pip install --upgrade pip uv
           uv pip install ./optimum-onnx[onnxruntime]
           uv pip install ./optimum[tests]
 

.github/workflows/test_utils.yml

@@ -36,7 +36,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install --upgrade pip uv
+          python -m pip install --upgrade pip uv
           uv pip install .[tests]
 
       - name: Tests needing datasets