use requirements.txt to install dependencies

Author: guilyx

.github/workflows/build.yml

@@ -23,8 +23,7 @@ jobs:
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install julia
-        python -m pip install pycall
+        python -m pip install -r requirements.txt
     - name: Lint with flake8
       run: |
         python -m pip install flake8

.github/workflows/tests.yml

@@ -52,8 +52,7 @@ jobs:
       - name: Install Python dependencies
         run: |
           python -m pip install --upgrade pip
-          python -m pip install julia
-          python -m pip install pycall
+          python -m pip install -r requirements.txt
       - name: Lint with flake8
         run: |
           python -m pip install flake8