gardener: Increase browser/interactive_ui Linux MSan Tests shards

Shards runtimes are in the 50-60 minute range and are flakily
timing out at ~97% complete. This looks like it's been going on for
a while and I wasn't able to identify any particular regressor.

Fixed: 416460283
Change-Id: I70de4ce81add27290b753eaaadd5ad5882742744
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6522607
Commit-Queue: Nico Weber <thakis@chromium.org>
Commit-Queue: Joshua Pawlicki <waffles@chromium.org>
Auto-Submit: Joshua Pawlicki <waffles@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1457548}

infra/config/generated/builders/ci/Linux MSan Builder/targets/chromium.memory.json

@@ -238,7 +238,7 @@
             "os": "Ubuntu-22.04"
           },
           "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 30
+          "shards": 35
         },
         "test": "browser_tests",
         "test_id_prefix": "ninja://chrome/test:browser_tests/"
@@ -819,7 +819,7 @@
             "os": "Ubuntu-22.04"
           },
           "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 8
+          "shards": 10
         },
         "test": "interactive_ui_tests",
         "test_id_prefix": "ninja://chrome/test:interactive_ui_tests/"

infra/config/generated/builders/ci/Linux MSan Tests/targets/chromium.memory.json

@@ -238,7 +238,7 @@
             "os": "Ubuntu-22.04"
           },
           "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 30
+          "shards": 35
         },
         "test": "browser_tests",
         "test_id_prefix": "ninja://chrome/test:browser_tests/"
@@ -819,7 +819,7 @@
             "os": "Ubuntu-22.04"
           },
           "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 8
+          "shards": 10
         },
         "test": "interactive_ui_tests",
         "test_id_prefix": "ninja://chrome/test:interactive_ui_tests/"

infra/config/generated/builders/try/linux_chromium_msan_rel_ng/targets/chromium.memory.json

@@ -238,7 +238,7 @@
             "os": "Ubuntu-22.04"
           },
           "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 30
+          "shards": 35
         },
         "test": "browser_tests",
         "test_id_prefix": "ninja://chrome/test:browser_tests/"
@@ -819,7 +819,7 @@
             "os": "Ubuntu-22.04"
           },
           "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 8
+          "shards": 10
         },
         "test": "interactive_ui_tests",
         "test_id_prefix": "ninja://chrome/test:interactive_ui_tests/"

infra/config/subprojects/chromium/ci/chromium.memory.star

@@ -691,7 +691,7 @@ linux_memory_builder(
         per_test_modifications = {
             "browser_tests": targets.mixin(
                 swarming = targets.swarming(
-                    shards = 30,
+                    shards = 35,
                 ),
             ),
             "content_browsertests": targets.mixin(
@@ -708,7 +708,7 @@ linux_memory_builder(
             ),
             "interactive_ui_tests": targets.mixin(
                 swarming = targets.swarming(
-                    shards = 8,
+                    shards = 10,
                 ),
             ),
             "services_unittests": targets.remove(