chore(deps): update actions/checkout digest to 2d7d9f7

Author: renovate[bot]

.github/workflows/call_opex_api.yml

@@ -26,7 +26,7 @@ jobs:
 
       - name: Checkout
         id: checkout
-        uses: actions/checkout@1f9a0c22da41e6ebfa534300ef656657ea2c6707
+        uses: actions/checkout@2d7d9f7ff5b310f983d059b68785b3c74d8b8edd
         with:
           persist-credentials: false
           fetch-depth: 0

.github/workflows/call_pr_opex_api.yml

@@ -26,7 +26,7 @@ jobs:
 
       - name: Checkout
         id: checkout
-        uses: actions/checkout@1f9a0c22da41e6ebfa534300ef656657ea2c6707
+        uses: actions/checkout@2d7d9f7ff5b310f983d059b68785b3c74d8b8edd
         with:
           persist-credentials: false
           fetch-depth: 0