Update local-ci-build.md link

local-ci-build.md is moving under testing/ as part of
https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/26244

26244 should merge before this is merged.

Tested: With https://jbt.github.io/markdown-editor/
Change-Id: I6346e0073ce6ea40a51ce81ee1059a2d053e6949
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/README.md b/README.md
index 78308f4..00f2bbf 100644
--- a/README.md
+++ b/README.md
@@ -24,5 +24,5 @@
    for t in `find build/test/ -maxdepth 1 -name "test_*"`; do ./$t || break ; done
    ```
 
-[1]: https://github.com/openbmc/docs/blob/master/local-ci-build.md
+[1]: https://github.com/openbmc/docs/blob/master/testing/local-ci-build.md
 [2]: https://github.com/openbmc/docs/blob/master/cheatsheet.md#building-the-openbmc-sdk