Update atlasexternals to 2.0.117 and Analysis release to LCG_101_ATLAS_2

This MR will update:

• AthAnalysis to LCG_101_ATLAS_2
• AnalysisBase to LCG_101_ATLAS_2 equivalent externals
• Update atlasexternals to 2.0.117 - there has been no MR for 2.0.116, so this includes the updates from tag https://gitlab.cern.ch/atlas/atlasexternals/-/tags/2.0.116 as well

Here is the corresponding atlasexternals MR for 2.0.117: atlasexternals!881 (merged) - keeping the MR here in draft status until this MR is merged and tagged.

Tagging @emoyse, @akraszna, @krumnack, @lheinric, @vimartin for info.