Update .github/workflows/wycheproof.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: MarkAtwood

.github/workflows/wycheproof.yml

@@ -52,7 +52,7 @@ jobs:
 
       - name: Init wycheproof vectors submodule
         working-directory: wychcheck
-        run: git submodule update --init wycheproof
+        run: git submodule update --init --depth 1 wycheproof
 
       - name: Build wolfcrypt-check
         working-directory: wychcheck