chore(deps-dev): bump mypy-boto3-ssm from 1.26.0.post1 to 1.26.4

Bumps [mypy-boto3-ssm](https://github.com/youtype/mypy_boto3_builder) from 1.26.0.post1 to 1.26.4.
- [Release notes](https://github.com/youtype/mypy_boto3_builder/releases)
- [Commits](https://github.com/youtype/mypy_boto3_builder/commits)

---
updated-dependencies:
- dependency-name: mypy-boto3-ssm
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

poetry.lock

@@ -63,7 +63,7 @@ mypy-boto3-dynamodb = "^1.26.0"
 mypy-boto3-lambda = "^1.26.0"
 mypy-boto3-logs = "^1.26.3"
 mypy-boto3-secretsmanager = "^1.26.0"
-mypy-boto3-ssm = "^1.26.0"
+mypy-boto3-ssm = "^1.26.4"
 mypy-boto3-s3 = "^1.26.0"
 mypy-boto3-xray = "^1.26.9"
 types-requests = "^2.28.11"