Fix Main workflow ref (#95)

Taken from https://github.com/Adyen/adyen-magento2/blob/main/.github/workflows/main.yml#L21
Adyen · Jan 21, 2025 · 256390d · 256390d
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commit 256390d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -18,6 +18,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
           fetch-depth: 0
 
       - name: Use PHP ${{ matrix.php-version }}