Adjust GHA build to run MacOS and Windows tests only on latest Python

.github/workflows/test-suite.yml

@@ -1,4 +1,5 @@
 # vim: set ft=yaml ts=2 sw=2 expandtab:
+# On GHA, the Linux runners are *much* faster and more reliable, so we only run the full matrix build there
 name: Test Suite
 on:
   push:
@@ -13,10 +14,27 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 jobs:
-  build-and-test:
+  linux-build-and-test:
     uses: pronovic/gha-shared-workflows/.github/workflows/poetry-build-and-test.yml@v2
     secrets: inherit
     with:
-      matrix-os-version: "[ 'ubuntu-latest', 'macos-latest', 'windows-latest' ]"
-      matrix-python-version: "[ '3.9', '3.10' ]"
-      poetry-version: "1.2.0"
+      matrix-os-version: "[ 'ubuntu-latest' ]"
+      matrix-python-version: "[ '3.9', '3.10', '3.11' ]"  # run Linux tests on all supported Python versions
+      poetry-version: "1.2.2"
+      enable-coveralls: true  # only report to coveralls.io for tests that run on Linux
+  macos-build-and-test:
+    uses: pronovic/gha-shared-workflows/.github/workflows/poetry-build-and-test.yml@v2
+    secrets: inherit
+    with:
+      matrix-os-version: "[ 'macos-latest' ]"
+      matrix-python-version: "[ '3.11' ]"  # only run MacOS tests on latest Python
+      poetry-version: "1.2.2"
+      enable-coveralls: false 
+  windows-build-and-test:
+    uses: pronovic/gha-shared-workflows/.github/workflows/poetry-build-and-test.yml@v2
+    secrets: inherit
+    with:
+      matrix-os-version: "[ 'windows-latest' ]"
+      matrix-python-version: "[ '3.11' ]"  # only run Windows tests on latest Python
+      poetry-version: "1.2.2"
+      enable-coveralls: false 

Changelog

@@ -1,3 +1,7 @@
+Version 0.5.3      unreleased
+
+	* Adjust GHA build to run MacOS and Windows tests only on latest Python.
+
 Version 0.5.2     24 Oct 2022
 
 	* Refactor the run script and pre-commit hooks to reduce duplication.