[Deps] update finn-base to get refactored dtypes+fixed-point

docker/Dockerfile.finn

@@ -86,7 +86,7 @@ RUN pip install -e git+https://github.com/fbcotter/dataset_loading.git@0.0.4#egg
 
 # git-based Python repo dependencies
 # these are installed in editable mode for easier co-development
-ARG FINN_BASE_COMMIT="d38426634f1cfbc5432a0e52c3f65c07fad12aa4"
+ARG FINN_BASE_COMMIT="0fc2da9777632bf1c816b58eb20b1fcd10c579ba"
 ARG FINN_EXP_COMMIT="f82c0d9868bb88ea045dfadb28508d327d287221"
 ARG BREVITAS_COMMIT="462f86cdc60f9915baf13afd1676fb21da44c2ee"
 ARG PYVERILATOR_COMMIT="0c3eb9343500fc1352a02c020a736c8c2db47e8e"