Update tpgz-release.yml

Author: Pheenoh

.github/workflows/tpgz-release.yml

@@ -13,6 +13,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+    - name: Checkout
+      uses: actions/checkout@v4
     - name: Download latest release patches
       run: curl -s https://api.github.com/repos/zsrtp/tpgz/releases/latest | grep "http.*patch" | cut -d ":" -f 2,3 | tr -d \ \" | wget -qi - --directory-prefix patches/
     - name: Configure AWS Credentials