Add ubuntu-24 and macos-15 runners to CI

- Remove deprecated ubuntu-20.04 and macos-12 runners
- See: actions/runner-images#11101 and actions/runner-images#10721

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

azure-pipelines.yml

@@ -7,31 +7,21 @@
 
 jobs:
 
-    - template: etc/ci/azure-posix.yml
-      parameters:
-          job_name: ubuntu20_cpython
-          image_name: ubuntu-20.04
-          python_versions: ['3.8', '3.9', '3.10', '3.11', '3.12']
-          test_suites:
-              all: |
-                source venv/bin/activate
-                pytest -n 2 -vvs
-
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: ubuntu22_cpython
           image_name: ubuntu-22.04
-          python_versions: ['3.8', '3.9', '3.10', '3.11', '3.12']
+          python_versions: ['3.9', '3.10', '3.11', '3.12']
           test_suites:
               all: |
                 source venv/bin/activate
                 pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
-          job_name: macos12_cpython
-          image_name: macOS-12
-          python_versions: ['3.8', '3.9', '3.10', '3.11', '3.12']
+          job_name: ubuntu24_cpython
+          image_name: ubuntu-24.04
+          python_versions: ['3.9', '3.10', '3.11', '3.12']
           test_suites:
               all: |
                 source venv/bin/activate
@@ -41,23 +31,33 @@ jobs:
       parameters:
           job_name: macos13_cpython
           image_name: macOS-13
-          python_versions: ['3.8', '3.9', '3.10', '3.11', '3.12']
+          python_versions: ['3.9', '3.10', '3.11', '3.12']
           test_suites:
               all: venv/bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: macos14_cpython_arm64
           image_name: macOS-14
-          python_versions: ['3.8', '3.9', '3.10', '3.11', '3.12']
+          python_versions: ['3.9', '3.10', '3.11', '3.12']
           test_suites:
               all: venv/bin/pytest -n 2 -vvs
 
+    - template: etc/ci/azure-posix.yml
+      parameters:
+          job_name: macos15_cpython
+          image_name: macOS-15
+          python_versions: ['3.9', '3.10', '3.11', '3.12']
+          test_suites:
+              all: |
+                source venv/bin/activate
+                pytest -n 2 -vvs
+
     - template: etc/ci/azure-win.yml
       parameters:
           job_name: win2019_cpython
           image_name: windows-2019
-          python_versions: ['3.8', '3.9', '3.10', '3.11', '3.12']
+          python_versions: ['3.9', '3.10', '3.11', '3.12']
           test_suites:
               all: |
                 call venv\Scripts\activate.bat
@@ -67,7 +67,7 @@ jobs:
       parameters:
           job_name: win2022_cpython
           image_name: windows-2022
-          python_versions: ['3.8', '3.9', '3.10', '3.11', '3.12']
+          python_versions: ['3.9', '3.10', '3.11', '3.12']
           test_suites:
               all: |
                 call venv\Scripts\activate.bat