Sample updates and bug fixes

What's Changed

• Doc: Fix aws_secret_access environment variable by @alfred2g in #416
• Doc: add new rule to cognito sample Readme by @alfred2g in #420
• use square bracket for array by @lepirlouit in #424
• Update Service Client Sample to Use Mqtt5 Client by @xiazhvera in #425
• Readme cleanup by @jmklix in #428
• Bump word-wrap from 1.2.3 to 1.2.4 by @dependabot in #406
• Bump semver from 5.7.1 to 5.7.2 by @dependabot in #403
• fix: handle server-sent termination in RPC by @MikeDombo in #432
• AutoTag PR for v1.16.1 by @bretambrose in #433

New Contributors

• @alfred2g made their first contribution in #416
• @lepirlouit made their first contribution in #424
• @MikeDombo made their first contribution in #432

Full Changelog: v1.16.0...v1.16.1