chore: enable disk cache for faster local builds (#3424)
The disk cache can greatly speed up local builds, in particular, if docs
are built
which requires building protobuf.
diff --git a/.bazelrc b/.bazelrc
index b5c9c7c..f9e00fe 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -30,6 +30,9 @@
# Make Bazel 7 use bzlmod by default
common --enable_bzlmod
+# Local disk cache greatly speeds up builds if the regular cache is lost
+common --disk_cache=~/.cache/bazel/bazel-disk-cache
+
# Additional config to use for readthedocs builds.
# See .readthedocs.yml for additional flags that can only be determined from
# the runtime environment.
