Update GH runner to ubuntu-22.04

Author: Tatjana Damnjanović

.github/workflows/python-package.yml

@@ -5,10 +5,10 @@ on: [push]
 
 jobs:
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, '3.10', '3.11', '3.12', pypy2, pypy3]
+        python-version: [3.8, '3.10', '3.11', '3.12', pypy3]
     env:
       SOLVEBIO_API_HOST: ${{ secrets.QUARTZBIO_API_HOST }}
       SOLVEBIO_API_KEY: ${{ secrets.QUARTZBIO_API_KEY }}
@@ -37,36 +37,4 @@ jobs:
         run: |
           python -m pytest recipes/tests/test_recipes_sync.py
           python -m pytest solvebio/test/test_object.py
-          python -m flake8 solvebio
-  build_py27:
-    runs-on: ubuntu-20.04
-    env:
-      SOLVEBIO_API_HOST: ${{ secrets.QUARTZBIO_API_HOST }}
-      SOLVEBIO_API_KEY: ${{ secrets.QUARTZBIO_API_KEY }}
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-      - name: Setup Python 2.7
-        run: |
-          sudo apt install python2
-          sudo apt-get install -y curl python2
-          sudo curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
-          sudo python2.7 get-pip.py
-      - name: Display Python version
-        run: python2.7 -c "import sys; print(sys.version)"
-      - name: Export pythonpath
-        run: |
-          export PYTHONPATH=$PYTHONPATH:$(pwd)
-      - name: Install Tox and any other packages
-        run: |
-          python2.7 -m pip install -U wheel --user
-          python2.7 -m pip install setuptools
-          python2.7 -m pip install flake8 pytest
-      - name: Install dependencies
-        run: |
-          python2.7 -m pip install -r requirements-dev.txt
-          python2.7 -m pip install XlsxWriter===0.9.3
-      - name: Scripts
-        run: |
-          python2.7 -m pytest recipes/tests/test_recipes_sync.py
-          python2.7 -m flake8 solvebio
+          python -m flake8 solvebio