chore(deps) use kbt master

gszr · gszr · commit e0f83b73b0cf · 2021-05-04T20:07:37.000-03:00
temporarily, for testing recent changes
diff --git a/.requirements b/.requirements
@@ -8,4 +8,4 @@ RESTY_OPENSSL_VERSION=1.1.1k
 RESTY_PCRE_VERSION=8.44
 LIBYAML_VERSION=0.2.5
 KONG_GO_PLUGINSERVER_VERSION=v0.6.1
-KONG_BUILD_TOOLS_VERSION=4.18.0
+KONG_BUILD_TOOLS_VERSION=master
