Update GitHub Actions

Author: mdmintz

.github/workflows/python-nightly-mac.yml

@@ -31,7 +31,7 @@ jobs:
         pip install -r requirements.txt
     - name: Install SeleniumBase
       run: |
-        python setup.py install
+        pip install .
     - name: Check the console scripts interface
       run: |
         seleniumbase

.github/workflows/python-nightly-ubuntu.yml

@@ -31,7 +31,7 @@ jobs:
         pip install -r requirements.txt
     - name: Install SeleniumBase
       run: |
-        python setup.py install
+        pip install .
     - name: Check the console scripts interface
       run: |
         seleniumbase

.github/workflows/python-nightly-windows.yml

@@ -31,7 +31,7 @@ jobs:
         pip install -r requirements.txt
     - name: Install SeleniumBase
       run: |
-        python setup.py install
+        pip install .
     - name: Check the console scripts interface
       run: |
         seleniumbase

.github/workflows/python-package.yml

@@ -33,7 +33,7 @@ jobs:
         pip install -r requirements.txt
     - name: Install SeleniumBase
       run: |
-        python setup.py install
+        pip install .
     - name: Lint with flake8
       run: |
         pip install flake8