[ws-daemon] remove failed backups

[svenefftinge]

When a backup failed (mostly due to hitting the size limit)
the tar file hangs around on the node without clean up.

fixes #5324

[codecov]

Codecov Report

Merging #5325 (6e3f74e) into main (a169bc0) will increase coverage by 23.21%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##           main    #5325       +/-   ##
=========================================
+ Coverage      0   23.21%   +23.21%     
=========================================
  Files         0       11       +11     
  Lines         0     1930     +1930     
=========================================
+ Hits          0      448      +448     
- Misses        0     1423     +1423     
- Partials      0       59       +59     

Flag	Coverage Δ
components-ws-daemon-app	23.21% <100.00%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
components/ws-daemon/pkg/content/archive.go	59.34% <100.00%> (ø)
components/ws-daemon/pkg/quota/size.go	87.30% <0.00%> (ø)
components/ws-daemon/pkg/internal/session/store.go	19.38% <0.00%> (ø)
components/ws-daemon/pkg/content/config.go	62.50% <0.00%> (ø)
components/ws-daemon/pkg/resources/dispatch.go	0.00% <0.00%> (ø)
components/ws-daemon/pkg/content/initializer.go	0.00% <0.00%> (ø)
components/ws-daemon/pkg/content/tar.go	46.71% <0.00%> (ø)
components/ws-daemon/pkg/resources/limiter.go	77.77% <0.00%> (ø)
...onents/ws-daemon/pkg/internal/session/workspace.go	50.73% <0.00%> (ø)
components/ws-daemon/pkg/resources/controller.go	33.69% <0.00%> (ø)
... and 2 more

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[aledbf]

/lgtm
/approve

[roboquat]

LGTM label has been added.

Git tree hash: 25287e34a0703f9fe4db514567299023b3a807c5

[roboquat]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf

Associated issue: #5324

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• components/ws-daemon/OWNERS [aledbf]

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