feat(source/dataplex)!: restructure prebuilt toolsets (#2640)

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🛠️ Fixes #<issue_number_goes_here>

---------

Co-authored-by: Yuan Teoh <45984206+Yuan325@users.noreply.github.com>

Author: averikitsch

cmd/internal/tools_file_test.go

@@ -1788,8 +1788,8 @@ func TestPrebuiltTools(t *testing.T) {
 			name: "dataplex prebuilt tools",
 			in:   dataplex_config,
 			wantToolset: server.ToolsetConfigs{
-				"dataplex_tools": tools.ToolsetConfig{
-					Name:      "dataplex_tools",
+				"discovery": tools.ToolsetConfig{
+					Name:      "discovery",
 					ToolNames: []string{"search_entries", "lookup_entry", "search_aspect_types"},
 				},
 			},

internal/prebuiltconfigs/tools/dataplex.yaml

@@ -32,7 +32,7 @@ tools:
     description: Use this tool to find aspect types relevant to the query.
 
 toolsets:
-  dataplex_tools:
+  discovery:
     - search_entries
     - lookup_entry
     - search_aspect_types