Update test.yml

Author: tinchodias

.github/workflows/test.yml

@@ -13,13 +13,13 @@ jobs:
       # Default value means that a failure in one OS cancels all 
       fail-fast: false
       matrix:
-        smalltalk: [ Pharo64-11, Pharo64-12, Pharo64-13 ]
+        smalltalk: [ Pharo64-13, Pharo64-14 ]
         os: [ ubuntu-latest ] # macos-latest, windows-latest
         ston: [ .ci.ston ]
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.smalltalk }} on ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Setup smalltalkCI