fix(ci): remove shallow clone depth from contract CI git fetch

Author: 1Judah

.github/workflows/contract-ci.yml

@@ -39,7 +39,7 @@ jobs:
       - name: Ensure Cargo.lock is updated when Cargo.toml changes
         if: github.event_name == 'pull_request'
         run: |
-          git fetch origin "${{ github.base_ref }}" --depth=1
+          git fetch origin "${{ github.base_ref }}"
           changed_files="$(git diff --name-only "origin/${{ github.base_ref }}...HEAD" -- app/onchain/Cargo.toml app/onchain/Cargo.lock)"
           if echo "$changed_files" | grep -q '^app/onchain/Cargo.toml$' && ! echo "$changed_files" | grep -q '^app/onchain/Cargo.lock$'; then
             echo "Cargo.toml changed without updating Cargo.lock."