Handle 404 from Scuba backend

[williamlardier]

For Veeam reoutes, this will set 0 as the metric. The value is correct: if scuba returns a 404 error, it means there is no metric for the resource.

Issue: CLDSRV-758

[bert-e]

Hello williamlardier,

My role is to assist you with the merge of this
pull request. Please type @bert-e help to get information
on this process, or consult the user documentation.

Available options

name	description	privileged	authored
/after_pull_request	Wait for the given pull request id to be merged before continuing with the current one.
/bypass_author_approval	Bypass the pull request author's approval	⭐
/bypass_build_status	Bypass the build and test status	⭐
/bypass_commit_size	Bypass the check on the size of the changeset TBA	⭐
/bypass_incompatible_branch	Bypass the check on the source branch prefix	⭐
/bypass_jira_check	Bypass the Jira issue check	⭐
/bypass_peer_approval	Bypass the pull request peers' approval	⭐
/bypass_leader_approval	Bypass the pull request leaders' approval	⭐
/approve	Instruct Bert-E that the author has approved the pull request.		✍️
/create_pull_requests	Allow the creation of integration pull requests.
/create_integration_branches	Allow the creation of integration branches.
/no_octopus	Prevent Wall-E from doing any octopus merge and use multiple consecutive merge instead
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/wait	Instruct Bert-E not to run until further notice.

Available commands

name	description	privileged
/help	Print Bert-E's manual in the pull request.
/status	Print Bert-E's current status in the pull request TBA
/clear	Remove all comments from Bert-E from the history TBA
/retry	Re-start a fresh build TBA
/build	Re-start a fresh build TBA
/force_reset	Delete integration branches & pull requests, and restart merge process from the beginning.
/reset	Try to remove integration branches unless there are commits on them which do not appear on the source branch.

Status report is not available.

[bert-e]

Incorrect fix version

The Fix Version/s in issue CLDSRV-758 contains:

• 9.0.31

• 9.1.5

Considering where you are trying to merge, I ignored possible hotfix versions and I expected to find:

• 9.1.5

Please check the Fix Version/s of CLDSRV-758, or the target
branch of this pull request.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.00%. Comparing base (a8d5672) to head (9c665d1).

Additional details and impacted files

Files with missing lines	Coverage Δ
lib/routes/veeam/get.js	97.29% <100.00%> (+9.79%)	⬆️

... and 1 file with indirect coverage changes

@@                 Coverage Diff                 @@
##           development/9.1    #5968      +/-   ##
===================================================
+ Coverage            83.72%   84.00%   +0.27%     
===================================================
  Files                  191      191              
  Lines                12233    12238       +5     
===================================================
+ Hits                 10242    10280      +38     
+ Misses                1991     1958      -33     

Flag	Coverage Δ
ceph-backend-test	64.58% <0.00%> (-0.02%)	⬇️
file-ft-tests	66.90% <0.00%> (-0.03%)	⬇️
kmip-ft-tests	27.18% <0.00%> (-0.02%)	⬇️
mongo-v0-ft-tests	68.21% <0.00%> (-0.05%)	⬇️
mongo-v1-ft-tests	68.22% <0.00%> (-0.03%)	⬇️
multiple-backend	34.23% <0.00%> (-0.02%)	⬇️
sur-tests	34.77% <0.00%> (-0.87%)	⬇️
sur-tests-inflights	36.70% <0.00%> (-0.05%)	⬇️
unit	69.32% <100.00%> (+0.99%)	⬆️
utapi-v2-tests	33.56% <0.00%> (-0.02%)	⬇️

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