style(workflows): update names, formatting, comments

Adapt workflow names, improve comments, formatting for
consistency.

.github/workflows/codeql-analysis.yml

@@ -1,9 +1,4 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-name: "CodeQL"
+name: Code scanning with CodeQL
 
 on:
   push:
@@ -18,7 +13,6 @@ jobs:
   analyze:
     name: Analyze
     runs-on: ubuntu-latest
-
     strategy:
       fail-fast: false
       matrix:

.github/workflows/test_suite.yml

@@ -1,5 +1,7 @@
-# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+# This workflow installs Python dependencies, runs tests and lints
+# using a variety of Python versions.
+# For more information see:
+# https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
 
 name: Run Test Suite
 
@@ -10,7 +12,7 @@ on:
   pull_request:
 
 jobs:
-  # Uses Python Framework build because on macos matplotlib requires it
+  # Uses Python Framework build because on macOS, Matplotlib requires it
   macos:
     runs-on: macos-latest
     strategy:
@@ -21,15 +23,18 @@ jobs:
     - uses: s-weigand/[email protected]
       with:
         activate-conda: true
+
     - name: Install pythonw
       run: conda install python.app
+
     - name: Python Version Info
       run: |
         pythonw --version
         which python
         pythonw -m site --user-site
         echo $PYTHONPATH
         echo $PYTHONHOME
+
     - name: Install dependencies
       run: |
         brew install imagemagick
@@ -122,6 +127,7 @@ jobs:
       fail-fast: false
     steps:
       - uses: actions/[email protected]
+
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/[email protected]
         with: