feat: add table sampling to ReadAPI v1 (#596)

* feat: add table sampling to ReadAPI v1
feat: add storage error codes for KMS

PiperOrigin-RevId: 534092654

Source-Link: googleapis/googleapis@adcd87e

Source-Link: https://github.com/googleapis/googleapis-gen/commit/53f03dcd2ae0d86832d87a530aa538b9daebf2b0
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bigquery_storage/generated_samples/snippet_metadata_google.cloud.bigquery.storage.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-storage",
-    "version": "2.19.1"
+    "version": "0.1.0"
   },
   "snippets": [
     {

bigquery_storage/generated_samples/snippet_metadata_google.cloud.bigquery.storage.v1beta2.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-storage",
-    "version": "2.19.1"
+    "version": "0.1.0"
   },
   "snippets": [
     {