SNOW-937168 Delete Centos6 usage in Jenkins and Github Actions (#1588) #3144

Job	Run time
Build	2m 21s
Old JDBC TestCategoryResultSet,TestCategoryOthers on jdbc-centos7-openjdk8	9m 56s
Old JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk8	15m 22s
Old JDBC TestCategoryCore,TestCategoryLoader on jdbc-centos7-openjdk8	5m 53s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk8	1h 4m 25s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk8	22m 48s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk8	31m 18s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk8	1m 32s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk11	53m 10s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk11	22m 59s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk11	30m 23s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk11	1m 37s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk17	56m 7s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk17	18m 59s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk17	28m 22s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk17	1m 33s
	6h 6m 45s

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