Fix indentation for depwarn in CI workflow

Author: odow

.github/workflows/ci.yml

@@ -41,8 +41,8 @@ jobs:
       - uses: julia-actions/cache@v1
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
-        # with:
-        #   depwarn: error
+        with:
+          depwarn: error
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v4
         with: