WORKSPACE: update Go to latest minor 1.18.10

This gets us a bunch of fixes including security fixes without needing
to qualify a new Go version.

Change-Id: I7d745b4963228066793486c637d411181c69b137
Reviewed-on: https://review.monogon.dev/c/monogon/+/1408
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/WORKSPACE b/WORKSPACE
index 80fe92d..d7833e0 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -70,7 +70,7 @@
 go_rules_dependencies()
 
 go_register_toolchains(
-    go_version = "1.18.3",
+    go_version = "1.18.10",
     nogo = "@dev_source_monogon//build/analysis:nogo",
 )