Support V3 parser config for HL7 stores (#5888) (#11430)

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/5888.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+healthcare: added support V3 parser version for Healthcare HL7 stores.
+```

google/resource_healthcare_hl7_v2_store.go

@@ -172,8 +172,8 @@ A base64-encoded string.`,
 							Type:         schema.TypeString,
 							Optional:     true,
 							ForceNew:     true,
-							ValidateFunc: validateEnum([]string{"V1", "V2", ""}),
-							Description:  `The version of the unschematized parser to be used when a custom 'schema' is not set. Default value: "V1" Possible values: ["V1", "V2"]`,
+							ValidateFunc: validateEnum([]string{"V1", "V2", "V3", ""}),
+							Description:  `The version of the unschematized parser to be used when a custom 'schema' is not set. Default value: "V1" Possible values: ["V1", "V2", "V3"]`,
 							Default:      "V1",
 						},
 					},

website/docs/r/healthcare_hl7_v2_store.html.markdown

@@ -265,7 +265,7 @@ The following arguments are supported:
   (Optional)
   The version of the unschematized parser to be used when a custom `schema` is not set.
   Default value is `V1`.
-  Possible values are `V1` and `V2`.
+  Possible values are `V1`, `V2`, and `V3`.
 
 <a name="nested_notification_configs"></a>The `notification_configs` block supports: