Merge pull request #4385 from esl/use-erlang-images #1170

Job	Run time
dialyzer on OTP 26.2.5.2	4m 43s
dynamic domains pgsql_mnesia on OTP 27.0.1	20m 0s
edoc on OTP 26.2.5.2	2m 24s
internal_mnesia on OTP 27.0.1	20m 1s
dynamic domains mysql_redis on OTP 27.0.1	19m 58s
pgsql_mnesia on OTP 27.0.1	23m 29s
dynamic domains odbc_mssql_mnesia on OTP 27.0.1	22m 24s
mysql_redis on OTP 27.0.1	26m 38s
ubuntu_xenial package	9s
dynamic domains pgsql_mnesia on OTP 26.2.5.2	20m 25s
odbc_mssql_mnesia on OTP 27.0.1	25m 20s
small_tests on OTP 26.2.5.2	7m 59s
ldap_mnesia on OTP 27.0.1	18m 33s
small_tests on OTP 27.0.1	7m 33s
elasticsearch_and_cassandra_mnesia on OTP 27.0.1	7m 19s
xref on OTP 26.2.5.2	2m 1s
ldap_mnesia on OTP 26.2.5.2	18m 6s
pgsql_mnesia on OTP 26.2.5.2	23m 44s
coveralls_webhook	0s
	4h 30m 46s

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