contracts-bedrock: foundry d85718785859dc0b5a095d2302d1a20ec06ab77a

Updates foundry to a version that contains the `loadAllocs` cheatcode

- https://github.com/foundry-rs/foundry/pull/6207

This will unblock work on implementing test coverage against the
L2 genesis generation script

.foundryrc

-ee5d02c3ef5f55a06b069e4a70a820661a9130c8
+d85718785859dc0b5a095d2302d1a20ec06ab77a