[test] Bump shards to speed up CQ

Change-Id: I49aecc92054bb959278c46393ea2e5a4da262064
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1528241Reviewed-by: Tamer Tas <tmrts@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60295}

infra/testing/builders.pyl

@@ -58,7 +58,7 @@
       {'name': 'mjsunit_sp_frame_access'},
       {'name': 'mozilla'},
       {'name': 'mozilla', 'variant': 'extra'},
-      {'name': 'test262'},
+      {'name': 'test262', 'shards': 2},
       {'name': 'test262_variants', 'variant': 'extra', 'shards': 3},
       {'name': 'v8testing', 'shards': 3},
       {'name': 'v8testing', 'variant': 'extra', 'shards': 2},
@@ -216,11 +216,11 @@
   },
   'v8_linux_arm_rel_ng_triggered': {
     'tests': [
-      {'name': 'mjsunit_sp_frame_access'},
+      {'name': 'mjsunit_sp_frame_access', 'shards': 2},
       {'name': 'mozilla', 'shards': 2},
       {'name': 'test262', 'shards': 2},
-      {'name': 'v8testing', 'shards': 8},
-      {'name': 'v8testing', 'variant': 'extra', 'shards': 6},
+      {'name': 'v8testing', 'shards': 10},
+      {'name': 'v8testing', 'variant': 'extra', 'shards': 8},
       {'name': 'v8testing', 'variant': 'trusted', 'shards': 2},
     ],
   },
@@ -368,11 +368,11 @@
   },
   'v8_linux_arm64_rel_ng_triggered': {
     'tests': [
-      {'name': 'mjsunit_sp_frame_access'},
+      {'name': 'mjsunit_sp_frame_access', 'shards': 2},
       {'name': 'mozilla', 'shards': 2},
       {'name': 'test262', 'shards': 2},
-      {'name': 'v8testing', 'shards': 9},
-      {'name': 'v8testing', 'variant': 'extra', 'shards': 6},
+      {'name': 'v8testing', 'shards': 12},
+      {'name': 'v8testing', 'variant': 'extra', 'shards': 8},
       {'name': 'v8testing', 'variant': 'trusted', 'shards': 3},
     ],
   },
@@ -422,7 +422,7 @@
       'os': 'Windows-7-SP1',
     },
     'tests': [
-      {'name': 'v8testing', 'variant': 'default', 'shards': 3},
+      {'name': 'v8testing', 'variant': 'default', 'shards': 4},
     ],
   },
   'v8_win_rel_ng_triggered': {
@@ -432,7 +432,7 @@
     },
     'tests': [
       {'name': 'mozilla'},
-      {'name': 'test262'},
+      {'name': 'test262', 'shards': 2},
       {'name': 'v8testing', 'shards': 2},
     ],
   },