Bump asyncmy from 0.2.7 to 0.2.9

Bumps [asyncmy](https://github.com/long2ice/asyncmy) from 0.2.7 to 0.2.9.
- [Release notes](https://github.com/long2ice/asyncmy/releases)
- [Changelog](https://github.com/long2ice/asyncmy/blob/dev/CHANGELOG.md)
- [Commits](long2ice/asyncmy@v0.2.7...v0.2.9)

---
updated-dependencies:
- dependency-name: asyncmy
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -180,7 +180,7 @@ def readme():
             "asyncpg==0.29.0",
         ],
         "mysql": [
-            "asyncmy==0.2.7",
+            "asyncmy==0.2.9",
             "mysqlclient==2.1.1"
         ],
         "mariadb": [
@@ -261,7 +261,7 @@ def readme():
             "motor==3.1.1",
             "pymssql==2.2.7",
             "aiocouch==2.2.2",
-            "asyncmy==0.2.7",
+            "asyncmy==0.2.9",
             "mysqlclient==2.1.1",
             "aiomysql==0.2.0",
             "pyspark==3.5.0",