Test against Docker 28.1

Author: chadlwilson

.github/workflows/pr_workflow.yml

@@ -14,7 +14,7 @@ jobs:
           - "v23.0.6"  # 2023-02 --> EOL ?
           - "v25.0.5"  # 2024-01 --> EOL ?
           - "v27.5.1"  # 2025-01 --> EOL ?
-          - "v28.0.1"  # 2025-02 --> EOL ?
+          - "v28.1.0"  # 2025-04 --> EOL ?
       fail-fast: false
     steps:
       - name: Harden the runner (Audit all outbound calls)

.github/workflows/test_and_build.yml

@@ -16,7 +16,7 @@ jobs:
           - "v23.0.6"  # 2023-02 --> EOL ?
           - "v25.0.5"  # 2024-01 --> EOL ?
           - "v27.5.1"  # 2025-01 --> EOL ?
-          - "v28.0.1"  # 2025-02 --> EOL ?
+          - "v28.1.0"  # 2025-04 --> EOL ?
       fail-fast: false
     steps:
       - name: Harden the runner (Audit all outbound calls)