feat: add gfal2 to xl

assigned to @wdconinc

enabled an automatic merge when the pipeline for 9d319466 succeeds

aborted the automatic merge because target branch was updated

added 5 commits

• 9d319466...1d766d94 - 2 commits from branch master
• 36c22b39 - chore: spack: cherry-pick: gfal2: new package (and dependencies)
• feb55ee9 - feat: gfal2 +file +xrootd
• 2558948d - feat: gfal2 in xl

Compare with previous version

merged