build(deps): bump boto3 from 1.35.8 to 1.35.29

Bumps [boto3](https://github.com/boto/boto3) from 1.35.8 to 1.35.29.
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.35.8...1.35.29)

---
updated-dependencies:
- dependency-name: boto3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

poetry.lock

@@ -14,7 +14,7 @@ repository = "https://github.com/NHSDigital/nhs-aws-helpers"
 [tool.poetry.dependencies]
 # core dependencies
 python = ">=3.8,<4.0"
-boto3 = "^1.26.159"
+boto3 = "^1.35.29"
 boto3-stubs = {extras = ["s3", "ssm", "secretsmanager", "dynamodb", "stepfunctions", "sqs", "lambda", "logs", "ses", "sns", "events", "kms", "firehose", "athena"], version = "^1.34.151"}
 botocore-stubs = "^1.29.159"