logical: shard logical test package

We are seeing occasional package timeouts on CI. On my mac, sharding the
package cuts the runtime from 110s to 44s which should eliminate the
risk of bumping into the 5 minute timeouts on CI.

Fixes: #151634
Fixes: #151170
Fixes: #151571
Fixes: #151468
Fixes: #151623
Fixes: #150903
Fixes: #150116
Release note: none

Author: jeffswenson

pkg/crosscluster/logical/BUILD.bazel

@@ -143,6 +143,7 @@ go_test(
     ],
     embed = [":logical"],
     exec_properties = {"test.Pool": "large"},
+    shard_count = 5,
     deps = [
         "//pkg/base",
         "//pkg/ccl",