Upgrade snapshotter & hostpath driver

[JohnStrunk]

Describe what this PR does Upgrades the snapshot controller & hostpath driver that are used in the testing kind cluster external snapshotter -> 4.1.1 csi hostpath driver -> 1.7.2

Is there anything that requires special attention?

Related issues:

[codecov[bot]]

Codecov Report

Merging #188 (41ba7b2) into master (4b91280) will decrease coverage by 0.5%. The diff coverage is n/a.

@@           Coverage Diff            @@
##           master    #188     +/-   ##
========================================
- Coverage    42.7%   42.1%   -0.6%     
========================================
  Files           7       7             
  Lines        1847    1847             
========================================
- Hits          790     779     -11     
- Misses        974     982      +8     
- Partials       83      86      +3     

Impacted Files	Coverage Δ
controllers/sahandler.go	70.0% <0.0%> (-5.0%)	:arrow_down:
controllers/replicationsource_controller.go	34.4% <0.0%> (-1.8%)	:arrow_down:
controllers/volumehandler.go	51.7% <0.0%> (-1.0%)	:arrow_down:
controllers/rsync_common.go	61.8% <0.0%> (ø)
controllers/replicationdestination_controller.go	37.6% <0.0%> (+0.9%)	:arrow_up: