feat: add RESOURCE_EXHAUSTED to the list of retryable error codes (#2032)

* feat: add `RESOURCE_EXHAUSTED` to the list of retryable error codes

PiperOrigin-RevId: 628281023

Source-Link: googleapis/googleapis@60536a2

Source-Link: googleapis/googleapis-gen@c5cfd5b
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* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

.gitignore

@@ -12,4 +12,3 @@ system-test/*key.json
 .DS_Store
 package-lock.json
 __pycache__
-.vscode

src/v1/spanner_client_config.json

@@ -7,7 +7,8 @@
           "DEADLINE_EXCEEDED",
           "UNAVAILABLE"
         ],
-        "unavailable": [
+        "resource_exhausted_unavailable": [
+          "RESOURCE_EXHAUSTED",
           "UNAVAILABLE"
         ]
       },
@@ -34,32 +35,32 @@
       "methods": {
         "CreateSession": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "BatchCreateSessions": {
           "timeout_millis": 60000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "GetSession": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "ListSessions": {
           "timeout_millis": 3600000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "DeleteSession": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "ExecuteSql": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "ExecuteStreamingSql": {
@@ -69,12 +70,12 @@
         },
         "ExecuteBatchDml": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "Read": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "StreamingRead": {
@@ -84,27 +85,27 @@
         },
         "BeginTransaction": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "Commit": {
           "timeout_millis": 3600000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "Rollback": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "PartitionQuery": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "PartitionRead": {
           "timeout_millis": 30000,
-          "retry_codes_name": "unavailable",
+          "retry_codes_name": "resource_exhausted_unavailable",
           "retry_params_name": "9442ca297df43f7314712e1a19d003838e738a45"
         },
         "BatchWrite": {