chore: bump hashicorp/aws from 5.15.0 to 5.18.1 in /examples/runner-docker #1770

Job	Run time
Verify module (1.3.9)	30s
kics	1m 41s
MegaLinter	3m 14s
tflint	7s
Verify examples (1.3.9, runner-default)	45s
Verify examples (1.3.9, runner-docker)	43s
tfsec PR commenter	14s
Verify examples (1.3.9, runner-multi-region)	42s
Verify examples (1.3.9, runner-pre-registered)	45s
Verify examples (1.3.9, runner-public)	33s
Verify examples (1.3.9, runner-certificates)	23s
Verify examples (latest, runner-default)	45s
Verify examples (latest, runner-docker)	44s
Verify examples (latest, runner-multi-region)	34s
Verify examples (latest, runner-pre-registered)	40s
Verify examples (latest, runner-public)	30s
Verify examples (latest, runner-certificates)	25s
	13m 15s

Provide feedback