Use venv method

Author: multiplemonomials

.github/workflows/compile.yml

@@ -21,9 +21,11 @@ jobs:
         with:
           submodules: recursive
 
-      - name: Install Python dependencies
+      - name: Install python3-venv
         run: |
-            python3 -m pip install -r mbed-os/tools/requirements.txt
+          python3 -m pip install -r tools/requirements.txt
+          apt-get update
+          apt-get install -y python3-venv
 
       - name: Build project for ${{ matrix.mbed_target }}
         run: |