ci: update test configurations for "lightning" and "pytorch" packages with new PyTorch versions

Author: bhimrazy

.github/workflows/ci-tests-fabric.yml

@@ -40,23 +40,20 @@ jobs:
       matrix:
         os: [macOS-14, ubuntu-22.04, windows-2022]
         config:
-          # only run PyTorch latest
+          # Test unified "lightning" package with PyTorch 2.1-2.5
           - { pkg-name: "lightning", python-version: "3.10", pytorch-version: "2.1" }
           - { pkg-name: "lightning", python-version: "3.11", pytorch-version: "2.2.2" }
           - { pkg-name: "lightning", python-version: "3.11", pytorch-version: "2.3" }
           - { pkg-name: "lightning", python-version: "3.12.7", pytorch-version: "2.4.1" }
           - { pkg-name: "lightning", python-version: "3.12.7", pytorch-version: "2.5.1" }
 
-          # only run PyTorch latest with Python latest, use Fabric scope to limit dependency issues
+          # Test standalone "fabric" package with PyTorch 2.6-2.9
           - { pkg-name: "fabric", python-version: "3.12.7", pytorch-version: "2.6" }
-
-          # "fabric" installs the standalone package
-          - { pkg-name: "fabric", python-version: "3.10", pytorch-version: "2.7" }
-
-          # adding recently cut Torch 2.7 - FUTURE
+          - { pkg-name: "fabric", python-version: "3.12", pytorch-version: "2.7" }
           - { pkg-name: "fabric", python-version: "3.12", pytorch-version: "2.8" }
+          - { pkg-name: "fabric", python-version: "3.12", pytorch-version: "2.9" }
 
-          # "oldest" versions tests, only on minimum Python
+          # Test minimum supported versions (oldest)
           - { pkg-name: "fabric", pytorch-version: "2.1", requires: "oldest" }
     timeout-minutes: 25 # because of building grpcio on Mac
     env:

.github/workflows/ci-tests-pytorch.yml

@@ -44,23 +44,20 @@ jobs:
       matrix:
         os: [macOS-14, ubuntu-22.04, windows-2022]
         config:
-          # only run PyTorch latest
+          # Test unified "lightning" package with PyTorch 2.1-2.5
           - { pkg-name: "lightning", python-version: "3.10", pytorch-version: "2.1" }
           - { pkg-name: "lightning", python-version: "3.11", pytorch-version: "2.2.2" }
           - { pkg-name: "lightning", python-version: "3.11", pytorch-version: "2.3" }
           - { pkg-name: "lightning", python-version: "3.12.7", pytorch-version: "2.4.1" }
           - { pkg-name: "lightning", python-version: "3.12.7", pytorch-version: "2.5.1" }
 
-          # only run PyTorch latest with Python latest, use PyTorch scope to limit dependency issues
+          # Test standalone "pytorch" package with PyTorch 2.6-2.9
           - { pkg-name: "pytorch", python-version: "3.12.7", pytorch-version: "2.6" }
-
-          # "pytorch" installs the standalone package
-          - { pkg-name: "pytorch", python-version: "3.10", pytorch-version: "2.7" }
-
-          # adding recently cut Torch 2.7 - FUTURE
+          - { pkg-name: "pytorch", python-version: "3.12", pytorch-version: "2.7" }
           - { pkg-name: "pytorch", python-version: "3.12", pytorch-version: "2.8" }
+          - { pkg-name: "pytorch", python-version: "3.12", pytorch-version: "2.9" }
 
-          # "oldest" versions tests, only on minimum Python
+          # Test minimum supported versions (oldest)
           - { pkg-name: "pytorch", pytorch-version: "2.1", requires: "oldest" }
     timeout-minutes: 50
     env: