ci: update foundry

ops/docker/ci-builder/Dockerfile

@@ -16,7 +16,7 @@ WORKDIR /opt/foundry
 # Only diff from upstream docker image is this clone instead
 # of COPY. We select a specific commit to use.
 RUN git clone https://github.com/foundry-rs/foundry.git . \
-    && git checkout f540aa9ebde88dce720140b332412089c2ee85b6
+    && git checkout c06b53287dc23c4e5b1b3e57c937a90114bbe166
 
 RUN source $HOME/.profile && \
     cargo build --release && \

packages/contracts-bedrock/README.md

@@ -55,6 +55,10 @@ npm install @eth-optimism/contracts-bedrock
 We work on this repository with a combination of [Hardhat](https://hardhat.org) and [Foundry](https://getfoundry.sh/).
 
 1. Install Foundry by following [the instructions located here](https://getfoundry.sh/).
+   A specific version must be used.
+   ```shell
+   foundryup -C c06b53287dc23c4e5b1b3e57c937a90114bbe166
+   ```
 2. Install node modules with yarn (v1) and Node.js (16+):
 
    ```shell