build(deps): bump github.com/aws/aws-sdk-go-v2/config from 1.18.25 to 1.26.2 #5418

Job	Run time
govulncheck (1.21.5)	13s
b (go1.21.5_2023-12-11, ./t.sh --lints --generate)	1m 48s
b (go1.21.5_2023-12-11, ./t.sh --integration && ./test/test-caa-log-checker.sh)	4m 8s
vendorcheck (1.21.5)	12s
b (go1.21.5_2023-12-11, ./tn.sh --integration)	6m 33s
b (go1.21.5_2023-12-11, ./t.sh --unit --enable-race-detection)	5m 21s
b (go1.21.5_2023-12-11, ./tn.sh --unit --enable-race-detection)	5m 32s
b (go1.21.5_2023-12-11, ./t.sh --start-py)	1m 31s
b (go1.22rc1_2023-12-20, ./t.sh --lints --generate)	42s
b (go1.22rc1_2023-12-20, ./t.sh --integration && ./test/test-caa-log-checker.sh)	4m 22s
b (go1.22rc1_2023-12-20, ./tn.sh --integration)	6m 31s
b (go1.22rc1_2023-12-20, ./t.sh --unit --enable-race-detection)	5m 12s
b (go1.22rc1_2023-12-20, ./tn.sh --unit --enable-race-detection)	5m 24s
b (go1.22rc1_2023-12-20, ./t.sh --start-py)	1m 19s
Boulder CI Test Matrix	1s
	48m 49s

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