Update dependency com_gitlab_libeigen_eigen to v5

Author: mend-for-github.amrom.workers.dev[bot]

WORKSPACE

@@ -58,10 +58,10 @@ http_archive(
 # External dependency: Eigen; has no Bazel build.
 http_archive(
     name = "com_gitlab_libeigen_eigen",
-    sha256 = "0215c6593c4ee9f1f7f28238c4e8995584ebf3b556e9dbf933d84feb98d5b9ef",
-    strip_prefix = "eigen-3.3.8",
+    sha256 = "bc5888a4e8538af18d4734c4266a538c7490200f76bc978b66299600189d51c2",
+    strip_prefix = "eigen-5.0.0",
     urls = [
-        "https://gitlab.com/libeigen/eigen/-/archive/3.3.8/eigen-3.3.8.tar.bz2",
+        "https://gitlab.com/libeigen/eigen/-/archive/5.0.0/eigen-5.0.0.tar.bz2",
     ],
     build_file_content =
 """