upgrade to typespec 0.43.0 syntax (#23574)

Feels valid to me, thanks @chunyu3 !

specification/cognitiveservices/AnomalyDetector/multivariate/models.tsp

@@ -103,10 +103,10 @@ model VariableState {
   effectiveCount?: int32;
 
   @doc("First valid time stamp with a value of input data.")
-  firstTimestamp?: zonedDateTime;
+  firstTimestamp?: utcDateTime;
 
   @doc("Last valid time stamp with a value of input data.")
-  lastTimestamp?: zonedDateTime;
+  lastTimestamp?: utcDateTime;
 }
 
 @doc("""
@@ -133,19 +133,19 @@ variables for one anomalous time stamp in the response. The default is
 Start date/time of data for detection, which should
 be in ISO 8601 format.
 """)
-  startTime: zonedDateTime;
+  startTime: utcDateTime;
 
   @doc("""
 End date/time of data for detection, which should
 be in ISO 8601 format.
 """)
-  endTime: zonedDateTime;
+  endTime: utcDateTime;
 }
 
 @doc("Anomaly status and information.")
 model AnomalyState {
   @doc("Time stamp for this anomaly.")
-  timestamp: zonedDateTime;
+  timestamp: utcDateTime;
   @doc("Detailed value of this anomalous time stamp.")
   value?: AnomalyValue;
 
@@ -218,13 +218,13 @@ is OneTable.
 Start date/time of training data, which should be
 in ISO 8601 format.
 """)
-  startTime: zonedDateTime;
+  startTime: utcDateTime;
 
   @doc("""
 End date/time of training data, which should be
 in ISO 8601 format.
 """)
-  endTime: zonedDateTime;
+  endTime: utcDateTime;
 
   @doc("""
 Display name of the model. Maximum length is 24
@@ -315,10 +315,10 @@ model AnomalyDetectionModel {
   modelId: string;
 
   @doc("Date and time (UTC) when the model was created.")
-  createdTime: zonedDateTime;
+  createdTime: utcDateTime;
 
   @doc("Date and time (UTC) when the model was last updated.")
-  lastUpdatedTime: zonedDateTime;
+  lastUpdatedTime: utcDateTime;
 
   @doc("""
 Training result of a model, including its status, errors, and diagnostics

specification/cognitiveservices/AnomalyDetector/univariate/models.tsp

@@ -99,7 +99,7 @@ and imputeMode is \"fixed\".
 @doc("Definition of input time series points.")
 model TimeSeriesPoint {
   @doc("Argument that indicates the time stamp of a data point (ISO8601 format).")
-  timestamp?: zonedDateTime;
+  timestamp?: utcDateTime;
 
   @doc("Measurement of that point.")
   value: float32;

specification/cognitiveservices/HealthInsights/healthinsights.common/model.common.request.tsp

@@ -99,7 +99,7 @@ model PatientDocument {
   language?: string;
 
   @doc("The date and time when the document was created.")
-  createdDateTime?: zonedDateTime;
+  createdDateTime?: utcDateTime;
 
   @doc("The content of the patient document.")
   content: DocumentContent;

specification/cognitiveservices/HealthInsights/healthinsights.common/model.common.response.tsp

@@ -13,15 +13,15 @@ alias Response = {
 
   @doc("The date and time when the processing job was created.")
   @visibility("read")
-  createdDateTime: zonedDateTime;
+  createdDateTime: utcDateTime;
 
   @doc("The date and time when the processing job is set to expire.")
   @visibility("read")
-  expirationDateTime: zonedDateTime;
+  expirationDateTime: utcDateTime;
 
   @doc("The date and time when the processing job was last updated.")
   @visibility("read")
-  lastUpdateDateTime: zonedDateTime;
+  lastUpdateDateTime: utcDateTime;
 
   @doc("The status of the processing job.")
   @visibility("read")

specification/cognitiveservices/OpenAI.Authoring/main.tsp

@@ -20,9 +20,6 @@ using TypeSpec.Versioning;
     }]>)
 @service({title: "Azure OpenAI API"})
 @versioned(Azure.OpenAI.Versions)
-@versionedDependency(
-  [[Azure.OpenAI.Versions.v2022_06_01_preview, Azure.Core.Versions.v1_0_Preview_1]]
-)
 @server(
   "{endpoint}/openai",
   "API for managing and utilizing Azure Open AI endpoints",
@@ -38,5 +35,6 @@ https://westus.api.cognitive.microsoft.com).
 namespace Azure.OpenAI;
 
 enum Versions {
+  @useDependency(Azure.Core.Versions.v1_0_Preview_1)
   v2022_06_01_preview: "2022-06-01-preview",
 }

specification/cognitiveservices/OpenAI.Inference/main.tsp

@@ -31,18 +31,11 @@ https://westus.api.cognitive.microsoft.com).
   }
 )
 @versioned(ServiceApiVersions)
-@versionedDependency(
-  [
-    [
-      ServiceApiVersions.v2022_12_01,
-      Azure.Core.Versions.v1_0_Preview_1
-    ]
-  ]
-)
 @doc("Azure OpenAI APIs for completions and search")
 namespace Azure.OpenAI;
 
 enum ServiceApiVersions {
+  @useDependency(Azure.Core.Versions.v1_0_Preview_1)
   v2022_12_01: "2022-12-01",
 }