ref(trace-attachments): Content-type (#15770)

Author: jjbayer

develop-docs/sdk/data-model/envelope-items.mdx

@@ -115,7 +115,7 @@ file. It is always associated to an event or transaction.
 
 ### Trace Attachment
 
-Item type `"attachment"` with content type `"application/vnd.sentry.attachment.v2"`. This item contains a raw payload of an attachment together with metadata. Contrary to V1 attachments, trace attachments are only optionally associated with other trace items (spans, logs, ...). Their main association is with the trace itself.
+Item type `"attachment"` with content type `"application/vnd.sentry.trace-attachment"`. This item contains a raw payload of an attachment together with metadata. Contrary to V1 attachments, trace attachments are only optionally associated with other trace items (spans, logs, ...). Their main association is with the trace itself.
 
 **Envelope Headers:**
 
@@ -128,7 +128,7 @@ The trace attachment item header must contain the following properties:
 ```json
 {
   "type": "attachment",
-  "content_type": "application/vnd.sentry.attachment.v2",
+  "content_type": "application/vnd.sentry.trace-attachment",
   "length": 212341234,
   "meta_length": 123
 }
@@ -161,7 +161,7 @@ The trace attachment item payload consists of a JSON object containing metadata
 | `attachment_id` | string | Yes | 32-character hexadecimal string (a valid [Version 7](https://en.wikipedia.org/wiki/Universally_unique_identifier#Version_7_(timestamp_and_random)) or Version 4 UUID without dashes) |
 | `timestamp` | float | Yes | a UNIX timestamp corresponding to the attachment's occurrence. It may be the same as the start or end timestamp of the owner span. |
 | `filename` | string | No | The file name of the attachment. |
-| `content_type` | string | Yes | the content type of the attachment body (not to be confused with the content type of the envelope item, which is always `application/vnd.sentry.attachment.v2`). |
+| `content_type` | string | Yes | the content type of the attachment body (not to be confused with the content type of the envelope item, which is always `application/vnd.sentry.trace-attachment`). |
 | `attributes` | object | No | arbitrary attributes that will be queryable on the attachment trace item, similar to spans, logs, and trace metrics. |