[tests.yml]: Use Ubuntu-22.04 runner for Python 3.7

ubuntu-latest does not support Python 3.7 anymore.

Author: andthum

.github/workflows/tests-skip.yml

@@ -53,6 +53,7 @@ jobs:
     strategy:
       matrix:
         # Tests must be run on all target platforms and Python versions.
+        # Python <3.8 is not supported in the MacOS 14 runner.
         os:
           - "ubuntu-latest"
           - "macos-13"
@@ -64,12 +65,15 @@ jobs:
           - "3.9"
         # Python 3.6 is not supported anymore in the Ubuntu 22.04 runner
         # https://github.com/actions/setup-python/issues/544#issuecomment-1332535877
+        # Python 3.7 is not supported anymore in the Ubuntu 24.04 runner
         exclude:
           - os: "ubuntu-latest"
-            python-version: "3.6"
+            python-version: ["3.6", "3.7"]
         include:
           - os: "ubuntu-20.04"
             python-version: "3.6"
+          - os: "ubuntu-22.04"
+            python-version: "3.7"
       # Do not cancel in-progress jobs if any matrix job fails
       fail-fast: false
     runs-on: "${{ matrix.os }}"

.github/workflows/tests.yml

@@ -160,12 +160,15 @@ jobs:
           - "3.9"
         # Python 3.6 is not supported anymore in the Ubuntu 22.04 runner
         # https://github.com/actions/setup-python/issues/544#issuecomment-1332535877
+        # Python 3.7 is not supported anymore in the Ubuntu 24.04 runner
         exclude:
           - os: "ubuntu-latest"
-            python-version: "3.6"
+            python-version: ["3.6", "3.7"]
         include:
           - os: "ubuntu-20.04"
             python-version: "3.6"
+          - os: "ubuntu-22.04"
+            python-version: "3.7"
       # Do not cancel in-progress jobs if any matrix job fails
       fail-fast: false
     runs-on: "${{ matrix.os }}"