ops: update foundry docker image version (#3090)

Update to commit 64fe4acc97e6d76551cea7598c201f05ecd65639

https://github.com/foundry-rs/foundry/tree/64fe4acc97e6d76551cea7598c201f05ecd65639
https://github.com/foundry-rs/foundry/commit/64fe4acc97e6d76551cea7598c201f05ecd65639

This update is pulled in so that the new config file format can be
adopted.
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

.changeset/smart-pumpkins-jam.md

+---
+'@eth-optimism/foundry': patch
+---
+
+Update to 64fe4acc97e6d76551cea7598c201f05ecd65639

ops/docker/foundry/Dockerfile

@@ -9,7 +9,7 @@ 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 3c49efe58ca4bdeec4729490501da06914446405
+    && git checkout 64fe4acc97e6d76551cea7598c201f05ecd65639
 
 RUN source $HOME/.profile && cargo build --release \
     && strip /opt/foundry/target/release/forge \