Upgraded several cluster components (patch-level)

We’ve upgraded several addons to their latest patch-level so important bugfixes are included:

• aws-node-termination-handler 1.12.1 -> 1.12.2
• dex 2.28.0 -> 2.28.1
• fluent-bit 1.7.2 -> 1.7.3
• loki 2.2.0 -> 2.2.1
• velero 1.5.3 -> 1.5.4