ci: add step to install dependencies in build workflow

Author: Msameim181

.github/workflows/build.yml

@@ -48,7 +48,12 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install build toml
+
     - name: Get version from pyproject.toml
       id: get_version
       run: |