Replace Docker images from nlesc/xenon-* to xenonmiddlware/*

[sverhoeven]

Refs xenon-middleware/xenon-docker-images#42

[codecov-io]

Codecov Report

Merging #656 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #656   +/-   ##
=========================================
  Coverage     87.05%   87.05%           
+ Complexity     1832     1831    -1     
=========================================
  Files           112      112           
  Lines          5144     5144           
  Branches        764      764           
=========================================
  Hits           4478     4478           
  Misses          454      454           
  Partials        212      212

Flag	Coverage Δ	Complexity Δ
#fixedclientenvironment	26.3% <ø> (ø)	489 <ø> (ø)	⬇️
#integration	57.29% <ø> (-0.02%)	1019 <ø> (-2)
#livelocal	20.95% <ø> (ø)	389 <ø> (ø)	⬇️
#unit	61.56% <ø> (ø)	1429 <ø> (-1)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8af9546...dfc0999. Read the comment docs.