bump Perl in CI #377

Job	Run time
perl (1, 5.39)	3m 55s
perl (1, ALIEN_BUILD_LIVE_TEST=1, 5.38-alpine3.16)	5m 8s
perl (1, ALIEN_BUILD_LIVE_TEST=1, 5.38-bionic)	4m 10s
perl (1, ALIEN_BUILD_LIVE_TEST=1, 5.38-fedora36)	4m 34s
perl (0, ALIEN_BUILD_LIVE_TEST=0, 5.38-bullseye)	2m 53s
perl (1, ALIEN_BUILD_LIVE_TEST=1, 5.38-bullseye)	2m 28s
perl (1, ALIEN_DOWNLOAD_RULE=warn, 5.38)	4m 0s
perl (1, ALIEN_DOWNLOAD_RULE=digest, 5.38)	3m 56s
perl (1, ALIEN_DOWNLOAD_RULE=encrypt, 5.38)	3m 51s
perl (1, ALIEN_DOWNLOAD_RULE=digest_or_encrypt, 5.38)	3m 50s
perl (1, ALIEN_DOWNLOAD_RULE=digest_and_encrypt, 5.38)	3m 54s
perl (1, 5.38)	3m 58s
perl (1, 5.36)	3m 48s
perl (1, 5.34)	3m 54s
perl (1, 5.32)	4m 13s
perl (1, 5.30)	3m 58s
perl (1, 5.28)	4m 7s
perl (1, 5.26)	4m 11s
perl (1, 5.24)	4m 13s
perl (1, 5.22)	4m 19s
perl (1, 5.20)	4m 11s
perl (0, 5.18)	3m 4s
perl (0, 5.16)	2m 55s
perl (0, 5.14)	2m 58s
perl (0, 5.12)	3m 8s
perl (0, 5.10.1)	1m 17s
perl (0, 5.10.0)	1m 22s
perl (0, 5.8.8)	1m 18s
perl (0, 5.8.4)	1m 23s
	1h 40m 56s

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