Remove torch pinning from CI (related issue is closed)

.github/actions/install-python-and-package/action.yml

@@ -36,12 +36,11 @@ runs:
         python -m pip install --upgrade pip setuptools wheel
 
     # only necessary on linux to avoid bloated installs
-    # pining the version of torch is temporary, see see #829
     - name: Install tensorflow/pytorch cpu version
       if: runner.os == 'Linux' && steps.cache-python-env.outputs.cache-hit != 'true'
       shell: bash {0}
       run: |
-        python -m pip install torch==2.3.1 --index-url https://download.pytorch.org/whl/cpu
+        python -m pip install --index-url https://download.pytorch.org/whl/cpu
         python -m pip install tensorflow-cpu
 
     # temporary: explicitly install numpy to avoid version issues on macOS, see #861