Bump cardano-parts, add new tags for CloudF and Tofu resources

[johnalotoski]

• Parts was bumped from v2025-06-24 to post-v2025-08-14 at next-2025-08-14
• Existing machines are still left at a default of legacyTracing for now
• New dashboards with updates for new tracing have not been committed yet, as there was some prior dashboard customization. The updated dashboards with the latest cardano-parts release can be pulled in when needed.
• Updates for breaking changes were applied.
• Adds new resource tags to both cloudFormation and tofu resources: owner, project, costCenter
• Updates the pre-existing organization and environment tags
• Treats costCenter tag as secret and adds a corresponding secrets file
• Updates justfile, cloudFormation state template and tofu cluster definition files to accommodate