Adding Jenkins CI to GaeaC6 using role account

[TerrenceMcGuinness-NOAA]

Description

This PR has the necessary updates to the CI scripts in Jenkins for running on Gaea C6.
The GaeaC6-EMC Node is all ready configured and connected to the Gaea C6 Head Node gaea64

This is setup to run in the role account with the following added directories and utils:

/gpfs/f6/drsa-precip3/proj-shared/global/CI Location where the test build and cases actually run

/ncrc/proj/nggps_emc/role.glopara/GFS_CI_CD Top level CI directories (this will be duplicated for each role account)
/ncrc/proj/nggps_emc/role.glopara/GFS_CI_CD/global-workflow CI system directory for Jenkins to run scripts from
/ncrc/proj/nggps_emc/role.glopara/GFS_CI_CD/Jenkins/agent Directory where the JAVA agent is launched from
/ncrc/proj/nggps_emc/role.glopara/GFS_CI_CD/Jenkins/workspace Jenkins work space (system level workspace)
/gpfs/f6/drsa-precip3/world-shared/role.glopara/utils Location where gh was installed (not in Spack Stack yet)
/ncrc/home1/role.glopara/bin soft link to gh utility for Jenkins to find

Resolves #3375

Type of change

• Bug fix (fixes something broken)
• New feature (adds functionality)
• Maintenance (code refactor, clean-up, new CI test, etc.)

Change characteristics

• Is this a breaking change (a change in existing functionality)? NO
• Does this change require a documentation update? NO
• Does this change require an update to any of the following submodules? NO (If YES, please add a link to any PRs that are pending.)
  • EMC verif-global
  • GDAS
  • GFS-utils
  • GSI
  • GSI-monitor
  • GSI-utils
  • UFS-utils
  • UFS-weather-model
  • wxflow

How has this been tested?

This PR can be tested in place after Dave's PR is merged for cycling on GaeaC6