update CI / GHA

Author: t-kalinowski

.github/workflows/R-CMD-check.yaml

@@ -35,19 +35,19 @@ jobs:
 
           - {os: 'ubuntu-latest' , tf: 'default', r: 'oldrel-1'}
           - {os: 'ubuntu-latest' , tf: 'default', r: 'oldrel-2'}
-          - {os: 'ubuntu-20.04'  , tf: 'default', r: '3.6'} # default R in ubuntu-20.04
+          # - {os: 'ubuntu-20.04'  , tf: 'default', r: '3.6'} # default R in ubuntu-20.04
 
           ## release keras/tf version (if different from 'default')
           # - {os: 'ubuntu-latest' , tf: 'release', r: 'release'}
           # - {os: 'windows-latest', tf: 'release', r: 'release'}
           # - {os: 'macOS-latest'  , tf: 'release', r: 'release'}
 
           ## old keras/tf versions
-          - {os: 'ubuntu-latest', tf: '2.14', r: 'release'}
-          - {os: 'ubuntu-latest', tf: '2.13', r: 'release'}
-          - {os: 'ubuntu-latest', tf: '2.12', r: 'release'}
-          - {os: 'ubuntu-latest', tf: '2.11', r: 'release'}
-          - {os: 'ubuntu-latest', tf: '2.9' , r: 'release'}
+          # - {os: 'ubuntu-latest', tf: '2.14', r: 'release'}
+          # - {os: 'ubuntu-latest', tf: '2.13', r: 'release'}
+          # - {os: 'ubuntu-latest', tf: '2.12', r: 'release'}
+          # - {os: 'ubuntu-latest', tf: '2.11', r: 'release'}
+          # - {os: 'ubuntu-latest', tf: '2.9' , r: 'release'}
 
           # these are allowed to fail
           # - {os: 'ubuntu-latest', tf: '2.14.0rc1', r: 'release'}
@@ -98,8 +98,9 @@ jobs:
           cache-version: 1
           upgrade: 'TRUE'
 
-      - name: Install Tensorflow + Keras deps
-        run: keras::install_keras(tensorflow = '${{ matrix.tf }}-cpu')
+      ## Package uses py_require() instead
+      # - name: Install Tensorflow + Keras deps
+      #   run: keras::install_keras(tensorflow = '${{ matrix.tf }}')
 
       - uses: r-lib/actions/check-r-package@v2
         with: