infra: Support both master and main branches

Prepare boringssl infra for master->main migration

Change-Id: I331ff76284091278edfc17946728ac3fbaf040bf
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/75327
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>

infra/config/generated/luci-milo.cfg

@@ -9,6 +9,7 @@ consoles {
   name: "BoringSSL Main Console"
   repo_url: "https://boringssl.googlesource.com/boringssl"
   refs: "regexp:refs/heads/master"
+  refs: "regexp:refs/heads/main"
   manifest_name: "REVISION"
   builders {
     name: "buildbucket/luci.boringssl.ci/android_aarch64"

infra/config/generated/luci-scheduler.cfg

@@ -535,7 +535,7 @@ job {
   }
 }
 trigger {
-  id: "master-gitiles-trigger"
+  id: "main-gitiles-trigger"
   realm: "ci"
   acl_sets: "ci"
   triggers: "android_aarch64"
@@ -594,6 +594,7 @@ trigger {
   gitiles {
     repo: "https://boringssl.googlesource.com/boringssl"
     refs: "regexp:refs/heads/master"
+    refs: "regexp:refs/heads/main"
   }
 }
 acl_sets {

infra/config/generated/project.cfg

@@ -7,7 +7,7 @@
 name: "boringssl"
 access: "group:all"
 lucicfg {
-  version: "1.43.14"
+  version: "1.43.16"
   package_dir: ".."
   config_dir: "generated"
   entry_point: "main.star"

infra/config/main.star

@@ -78,7 +78,7 @@ luci.milo(
 console_view = luci.console_view(
     name = "main",
     repo = REPO_URL,
-    refs = ["refs/heads/master"],
+    refs = ["refs/heads/master", "refs/heads/main"],
     title = "BoringSSL Main Console",
 )
 
@@ -98,10 +98,10 @@ cq_group = luci.cq_group(
 )
 
 poller = luci.gitiles_poller(
-    name = "master-gitiles-trigger",
+    name = "main-gitiles-trigger",
     bucket = "ci",
     repo = REPO_URL,
-    refs = ["refs/heads/master"],
+    refs = ["refs/heads/master", "refs/heads/main"],
 )
 
 luci.logdog(