chore(deps): update actions/checkout digest to 9a9194f

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@9a9194f87191a7e9055e3e9b95b8cfb13023bb08
         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@9a9194f87191a7e9055e3e9b95b8cfb13023bb08
         with:
           persist-credentials: false
           fetch-depth: 0