add 4.56.0 to CI (#212)

Author: xadupre

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         python: ['3.10', '3.11', '3.12', '3.13']
-        transformers: ['4.48.3', '4.51.3', '4.52.4', '4.53.3', '4.55.4', 'main']
+        transformers: ['4.48.3', '4.51.3', '4.52.4', '4.53.3', '4.55.4', '4.56.0', 'main']
         torch: ['2.8', 'main']
         exclude:
           - python: '3.10'
@@ -29,6 +29,8 @@ jobs:
             transformers: '4.53.3'
           - python: '3.10'
             transformers: '4.55.4'
+          - python: '3.10'
+            transformers: '4.56.0'
           - python: '3.11'
             torch: 'main'
           - python: '3.11'
@@ -37,6 +39,8 @@ jobs:
             transformers: 'main'
           - python: '3.11'
             transformers: '4.55.4'
+          - python: '3.11'
+            transformers: '4.56.0'
           - python: '3.13'
             torch: '2.8'
           - python: '3.13'