chore(deps): update dependency boto3 to v1.43.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
boto3	==1.43.2 → ==1.43.3

---

Release Notes

boto/boto3 (boto3)

v1.43.3

Compare Source

======

• api-change:bedrock-agentcore-control: [botocore] Amazon Bedrock AgentCore gateways now support MCP Sessions and response streaming from MCP targets. Session timeouts can be set between 15 minutes and 8 hours, and response streaming enables forwarding stream events sent by MCP targets to gateway users.
• api-change:ec2: [botocore] This feature allows customers to change the tunnel bandwidth on existing VPN connections using the ModifyVpnConnectionOptions API
• api-change:geo-routes: [botocore] Added support for TravelTimeExceedsDriverWorkHours, ViolatedBlockedRoad, and ViolatedVehicleRestriction notice codes to the CalculateRoutes API response.
• api-change:lex-models: [botocore] Lex V1 is deprecated, use Lex V2 instead
• api-change:logs: [botocore] Adding an additional optional deliverySourceConfiguration field to PutDeliverySource API. This enables customers to pass service-specific configurations through IngestionHub such as tracing enablement or sampling rates that will be propagated to the source resource.
• api-change:medialive: [botocore] Updates the type of the MediaLiveRouterOutputConnectionMap.
• api-change:securityagent: [botocore] AWS Security Agent is adding a new target domain verification method for private VPC penetration testing. Additionally, the target domain resource will now have a verification status reason field to surface additional details about domain verification
• api-change:vpc-lattice: [botocore] Amazon VPC Lattice now supports privately resolvable DNS resources

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.