shipit: add flag to only publish to 'latest' tag when "release" label is present

[hipstersmoothie]

Published PR with canary version: 8.1.0-canary.731.9618.0

[codecov]

Codecov Report

Merging #731 into next will decrease coverage by 0.09%.
The diff coverage is 66.66%.

@@            Coverage Diff            @@
##             next     #731     +/-   ##
=========================================
- Coverage   85.36%   85.26%   -0.1%     
=========================================
  Files          38       38             
  Lines        2241     2247      +6     
  Branches      309      281     -28     
=========================================
+ Hits         1913     1916      +3     
- Misses        280      281      +1     
- Partials       48       50      +2

Impacted Files	Coverage Δ
plugins/npm/src/index.ts	77.77% <ø> (ø)	⬆️
packages/cli/src/parse-args.ts	100% <ø> (ø)	⬆️
packages/core/src/auto.ts	85.12% <66.66%> (-0.55%)	⬇️

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[adierkens]

🚀 PR was released in v8.0.0 🚀