[bazel] Use compact repo mapping manifest

This is newly available in Bazel 8.4.0+ and the latest rules_cc.

Author: fhanau

.bazelrc

@@ -36,6 +36,10 @@ import %workspace%/build/rust_lint.bazelrc
 # Prevents bazel cache invalidation when switching terminals
 build --incompatible_strict_action_env
 
+# Use compat repo mapping to avoid O(n^2) repo mapping size, speeding up bazel repo mapping phase
+# and conserving space
+build --incompatible_compact_repo_mapping_manifest
+
 # Our dependencies (ICU, zlib, etc.) produce a lot of these warnings, so we disable them.
 build --per_file_copt='external@-Wno-error'
 build --per_file_copt='external@-Wno-suggest-override'

.bazelversion

@@ -1 +1 @@
-8.3.1
+8.4.1

MODULE.bazel

@@ -23,7 +23,8 @@ bazel_dep(name = "platforms", version = "1.0.0")
 # apple_support is more tailored to macOS and allows us to cross-compile easily. Note that this
 # needs to be pulled in before rules_cc for this toolchain to actually be used.
 bazel_dep(name = "apple_support", version = "1.23.1")
-bazel_dep(name = "rules_cc", version = "0.2.3")
+bazel_dep(name = "rules_cc", version = "0.2.8")
+
 bazel_dep(name = "zlib", version = "1.3.1.bcr.6")
 git_override(
     module_name = "zlib",