Updated copybara for mpact_* projects to handle new imports in BUILD files

PiperOrigin-RevId: 784608311
Change-Id: If8c604dcbc519e0320355b84c52ec46ada9ff666

repos.bzl

diff --git a/repos.bzl b/repos.bzl
index d21fb0a..3bc91d5 100644
--- a/repos.bzl
+++ b/repos.bzl
@@ -64,6 +64,14 @@
             url = "https://github.com/bazelbuild/rules_license/releases/download/0.0.4/rules_license-0.0.4.tar.gz",
         )
 
+    if not native.existing_rule("cc_library"):
+        http_archive(
+            name = "rules_cc",
+            url = "https://github.com/bazelbuild/rules_cc/releases/download/0.1.3/rules_cc-0.1.3.tar.gz",
+            strip_prefix = "rules_cc-0.1.3",
+            sha256 = "64cb81641305dcf7b3b3d5a73095ee8fe7444b26f7b72a12227d36e15cfbb6cb",
+        )
+
     # ELFIO header based library.
     http_archive(
         name = "com_github_serge1_elfio",