GH Actions/test: minor simplification [2]

* Improve step condition and reduce the need for bash scripting.

Author: jrfnl

.github/workflows/test.yml

@@ -252,14 +252,12 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup ini config
-        if: ${{ matrix.os != 'windows-latest' }}
+        if: ${{ matrix.custom_ini == true && matrix.os != 'windows-latest' }}
         id: set_ini
         shell: bash
         run: |
           # Set the "short_open_tag" ini to make sure specific conditions are tested.
-          if [[ ${{ matrix.custom_ini }} == true ]]; then
-            echo 'PHP_INI=, date.timezone=Australia/Sydney, short_open_tag=On' >> "$GITHUB_OUTPUT"
-          fi
+          echo 'PHP_INI=, date.timezone=Australia/Sydney, short_open_tag=On' >> "$GITHUB_OUTPUT"
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2