Limite ubuntu version to 22.04 for python 3.7.

Signed-off-by: Jay Zhang <[email protected]>

Author: fatcat-z

.github/workflows/keras_application_test_ci.yml

@@ -66,7 +66,7 @@ jobs:
   Test_py37_with_tf1_15: # Do not change this name because it is used in Ruleset of this repo.
     strategy:
       fail-fast: false
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout code

.github/workflows/keras_unit_test_ci.yml

@@ -65,7 +65,7 @@ jobs:
   Test_py37_with_tf1_15: # Do not change this name because it is used in Ruleset of this repo.
     strategy:
       fail-fast: false
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout code

.github/workflows/pretrained_model_test_ci.yml

@@ -91,7 +91,7 @@ jobs:
           - name: 'py37-tf1.15'
             tf_version: '1.15.5'
             python_version: '3.7'
-            os: 'ubuntu-latest'
+            os: 'ubuntu-22.04'  # Max ubuntu version supports python 3.7.
             opset_version: '15'
             ort_version: '1.14.1'
             onnx_version: '1.14.1'

.github/workflows/unit_test_ci.yml

@@ -91,7 +91,7 @@ jobs:
           - name: 'py37-tf1.15'
             tf_version: '1.15.5'
             python_version: '3.7'
-            os: 'ubuntu-latest'
+            os: 'ubuntu-22.04'  # Max ubuntu version supports python 3.7.
             opset_version: '15'
             ort_version: '1.14.1'
             onnx_version: '1.14.1'