Update test.yml to create 'bar' file with date

Replace touch command with date command to create 'bar' file.

Author: cjdcordeiro

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
           git config --global user.email "you@example.com"
           git config --global user.name "Agent Smith"
           # git checkout -b foo
-          touch bar
+          date > bar
           git add bar
           git commit -am "test"
           git remote set-url origin https://x-access-token:${{ secrets. GITHUB_TOKEN}}@github.com/cjdcordeiro/ci-playground.git