Fix github workflow

Author: TontonSancho

.github/workflows/publish-on-pypi.yml

@@ -7,15 +7,11 @@ on:
 
 jobs:
   build:
-    strategy:
-      matrix:
-        python_package_dir: [ 'src/python' ]
-
     name: Build distribution 📦
     runs-on: ubuntu-latest
     defaults:
       run:
-        working-directory: ${{ matrix.python_package_dir }}
+        working-directory: ./src/python
 
     if: github.event_name == 'push' || github.event_name == 'release'
 
@@ -57,7 +53,7 @@ jobs:
 
     defaults:
       run:
-        working-directory: ${{ matrix.python_package_dir }}
+        working-directory: ./src/python
 
     steps:
     - name: Download all the dists
@@ -77,9 +73,10 @@ jobs:
     runs-on: ubuntu-latest
 
     if: github.event_name == 'release'
+
     defaults:
       run:
-        working-directory: ${{ matrix.python_package_dir }}
+        working-directory: ./src/python
 
     permissions:
       contents: write  # IMPORTANT: mandatory for making GitHub Releases