docs: add details to the release note about 3.13 (#11792)

This change lists everything that is currently known not to work with
Python 3.13

## Checklist
- [x] PR author has checked that all the criteria below are met
- The PR description includes an overview of the change
- The PR description articulates the motivation for the change
- The change includes tests OR the PR description describes a testing
strategy
- The PR description notes risks associated with the change, if any
- Newly-added code is easy to change
- The change follows the [library release note
guidelines](https://ddtrace.readthedocs.io/en/stable/releasenotes.html)
- The change includes or references documentation updates if necessary
- Backport labels are set (if
[applicable](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting))

## Reviewer Checklist
- [ ] Reviewer has checked that all the criteria below are met 
- Title is accurate
- All changes are related to the pull request's stated goal
- Avoids breaking
[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes
- Testing strategy adequately addresses listed risks
- Newly-added code is easy to change
- Release note makes sense to a user of the library
- If necessary, author has acknowledged and discussed the performance
implications of this PR as reported in the benchmarks PR comment
- Backport labels are set in a manner that is consistent with the
[release branch maintenance
policy](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting)

---------

Co-authored-by: Vítor De Araújo <[email protected]>

Author: emmettbutler

releasenotes/notes/threethirteen-d40d659d8939fe5e.yaml

@@ -1,4 +1,52 @@
 ---
 upgrade:
   - |
-    Makes the library compatible with Python 3.13
+    Makes the library compatible with Python 3.13.
+
+    The following limitations currently apply to support for Python 3.13:
+      - ``ddtrace`` is not supported on Windows with Python 3.13
+      - Appsec Threat Detection is not tested against Django, Flask, or FastAPI with 3.13
+      - Automatic Service Naming is not tested with 3.13
+      - The ``ddtrace-run`` entrypoint is not tested with 3.13
+      - The following products are not tested with 3.13:
+        - Code Coverage
+        - Appsec IAST
+        - Data Streams Monitoring
+        - CI Visibility
+        - Continuous Profiling
+      - The following integrations are not tested with 3.13:
+        - aiobotocore
+        - aiomysql
+        - aiopg
+        - anthropic
+        - asyncpg
+        - avro
+        - botocore
+        - confluent-kafka
+        - consul
+        - django
+        - falcon
+        - fastapi
+        - freezegun
+        - gevent
+        - google_generativeai
+        - grpcio
+        - gunicorn
+        - langchain
+        - mysqlclient
+        - opentracing
+        - protobuf
+        - psycopg
+        - psycopg2
+        - pymysql
+        - pyodbc
+        - pytest
+        - pytest-bdd
+        - pytest-benchmark
+        - sanic
+        - selenium
+        - sqlalchemy
+        - sqlite3
+        - starlette
+        - tornado
+        - vertexai