Docs: add Flare.build to remote-execution.md

Closes #12664.

PiperOrigin-RevId: 347323599
diff --git a/site/docs/remote-execution.md b/site/docs/remote-execution.md
index 8576a66..bd10912 100644
--- a/site/docs/remote-execution.md
+++ b/site/docs/remote-execution.md
@@ -38,6 +38,8 @@
         and remote caching service. Can be self-hosted or hosted.
     *   [BuildBuddy](https://www.buildbuddy.io) -- Remote build execution,
         caching, and results UI.
+    *   [Flare](https://www.flare.build) --  Providing a cache + CDN for Bazel
+        artifacts and Apple-focused remote builds in addition to build & test analytics.
 
 ## Requirements