build: Specify go 1.23.0 in go.mod #7232

Job	Run time
govulncheck	15s
govulncheck	15s
b (go1.23.1_2024-09-05, ./t.sh --lints --generate)	3m 25s
b (go1.23.1_2024-09-05, ./t.sh --lints --generate)	3m 25s
b (go1.23.1_2024-09-05, ./t.sh --integration)	5m 41s
b (go1.23.1_2024-09-05, ./t.sh --integration)	5m 41s
b (go1.23.1_2024-09-05, ./tn.sh --integration)	8m 0s
b (go1.23.1_2024-09-05, ./tn.sh --integration)	8m 0s
vendorcheck (1.22.5)	26s
vendorcheck (1.22.5)	26s
b (go1.23.1_2024-09-05, ./t.sh --unit --enable-race-detection)	7m 54s
b (go1.23.1_2024-09-05, ./t.sh --unit --enable-race-detection)	7m 54s
b (go1.23.1_2024-09-05, ./tn.sh --unit --enable-race-detection)	7m 52s
b (go1.23.1_2024-09-05, ./tn.sh --unit --enable-race-detection)	7m 53s
b (go1.23.1_2024-09-05, ./t.sh --start-py)	2m 43s
b (go1.23.1_2024-09-05, ./t.sh --start-py)	2m 43s
Boulder CI Test Matrix	1s
Boulder CI Test Matrix	1s
	1h 12m 35s

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