feat(dataplex): update the api

#### dataplex:v1

The following keys were deleted:
- schemas.GoogleCloudDataplexV1LookupContextRequest.properties.context.type (Total Keys: 1)

Author: yoshi-automation

docs/dyn/dataplex_v1.projects.locations.html

@@ -280,7 +280,6 @@ <h3>Method Details</h3>
     The object takes the form of:
 
 { # Lookup Context using permissions in the source system.
-  &quot;context&quot;: &quot;A String&quot;, # Optional. The text representing contextual information for which metadata context is being requested.
   &quot;options&quot;: { # Optional. Allows to configure the context.Supported options: format - The format of the context (one of yaml, xml, json, default is yaml). context_budget - If provided, the output will be intelligently truncated on a best-effort basis to contain approximately the desired amount of characters. There is no guarantee to achieve the specific amount. all_schema_fields - If set to true, all schema fields will be returned in the context (regardless of context_budget value). Otherwise, the list of schema fields is truncated. Default is false.
     &quot;a_key&quot;: &quot;A String&quot;,
   },

googleapiclient/discovery_cache/documents/dataplex.v1.json

@@ -8038,7 +8038,7 @@
 }
 }
 },
-"revision": "20260623",
+"revision": "20260713",
 "rootUrl": "https://dataplex.googleapis.com/",
 "schemas": {
 "Empty": {
@@ -14645,10 +14645,6 @@
 "description": "Lookup Context using permissions in the source system.",
 "id": "GoogleCloudDataplexV1LookupContextRequest",
 "properties": {
-"context": {
-"description": "Optional. The text representing contextual information for which metadata context is being requested.",
-"type": "string"
-},
 "options": {
 "additionalProperties": {
 "type": "string"