Merge branch 'Development' into testing

.github/workflows/release_linux.yml

@@ -14,12 +14,12 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Install dependencies and pyinstall
       run: |
         python -m pip install --upgrade pip setuptools
         pip install -r requirements.txt
-        pip install PyInstaller==4.0
+        pip install PyInstaller==4.3
     - name: Build binary
       run: |
         pyinstaller --onefile -n nanovna-saver nanovna-saver.py

.github/workflows/release_macos.yml

@@ -14,12 +14,12 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Install dependencies and pyinstall
       run: |
         python -m pip install --upgrade pip setuptools
         pip install -r requirements.txt
-        pip install PyInstaller==4.0
+        pip install PyInstaller==4.3
     - name: Build binary
       run: |
         pyinstaller --onefile -n nanovna-saver nanovna-saver.py