Clone the release branch of graal.

Author: ansalond

ci.jsonnet

@@ -6,7 +6,7 @@ local common = import 'common.jsonnet';
   // Used to run fewer jobs
   local debug = false,
 
-  local overlay = 'e479c1d038a4b606149989babd02d24b87228146',
+  local overlay = '50e0ff212b9dc5d46f51a25fb0d593f8112b2fa5',
 
   local no_overlay = 'cb733e564850cd37b685fcef6f3c16b59802b22c',
 

graal-js/ci.jsonnet

@@ -46,7 +46,7 @@ local common = import '../common.jsonnet';
 
   local graalTip = {
     setup+: [
-      ['git', 'clone', '--depth', '1', ['mx', 'urlrewrite', 'https://github.com/graalvm/graal.git'], '../../graal'],
+      ['git', 'clone', '--branch', 'release/graal-vm/20.1', '--depth', '1', ['mx', 'urlrewrite', 'https://github.com/graalvm/graal.git'], '../../graal'],
       ['mx', 'sversions'],
     ],
     timelimit: '30:00',

graal-nodejs/ci.jsonnet

@@ -27,7 +27,7 @@ local common = import '../common.jsonnet';
 
   local cloneGraalTip = {
     run+: [
-      ['git', 'clone', '--depth', '1', ['mx', 'urlrewrite', 'https://github.com/graalvm/graal.git'], '../../graal'],
+      ['git', 'clone', '--branch', 'release/graal-vm/20.1', '--depth', '1', ['mx', 'urlrewrite', 'https://github.com/graalvm/graal.git'], '../../graal'],
       ['mx', 'sversions'],
     ],
   },