chore: install snyk before generating report

[crenshaw-dev]

First timed run of the snyk report was a raging success.

./hack/snyk-report.sh: line 67: snyk: command not found

The flag change is in response to this:

npm WARN config global `--global`, `--local` are deprecated. Use `--location=global` instead.

[codecov[bot]]

Codecov Report

Merging #10158 (052f6c9) into master (470176b) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #10158   +/-   ##
=======================================
  Coverage   45.92%   45.92%           
=======================================
  Files         227      227           
  Lines       27403    27403           
=======================================
  Hits        12584    12584           
  Misses      13110    13110           
  Partials     1709     1709           

Impacted Files	Coverage Δ
util/settings/settings.go	50.90% <0.00%> (ø)

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