test: add Pest shard timings file for improved test shard balancing

Author: SlimDeluxe

tests/.pest/shards.json

@@ -0,0 +1,18 @@
+{
+    "timings": {
+        "Tests\\ArchTest": 2.9098,
+        "Tests\\Browser\\CountryResourceBrowserTest": 7.4148,
+        "Tests\\Browser\\VisualRegressionTest": 22.8256,
+        "Tests\\Feature\\CountryResourceTest": 28.9665,
+        "Tests\\Feature\\CurrencyResourceTest": 21.0076,
+        "Tests\\Feature\\PostResourceTest": 32.8607,
+        "Tests\\Feature\\RegionResourceTest": 31.2967,
+        "Tests\\Feature\\SmokeTest": 17.9596,
+        "Tests\\Feature\\TariffCodeResourceTest": 24.1813,
+        "Tests\\Unit\\ImportCountriesJobTest": 6.2526,
+        "Tests\\Unit\\ImportTariffCodesJobTest": 6.7996,
+        "Tests\\Unit\\RegionModelTest": 11.5147
+    },
+    "checksum": "90e926bef7b94d6d2bbc0858cb678632",
+    "updated_at": "2026-04-27T08:37:20+00:00"
+}