Added package-lock.json to npmignore (#9193)
Added package-lock.json to npmignore (#9193)

no issue

- refs https://github.com/TryGhost/Ghost/commit/07dcbb0d5312acd15d4616441c6d800e1f026d76#diff-a084b794bc0759e7a6b77810e01874f2
- if we don't add the npm lock file, it get's added to the release zip when using v8
Gargol/Ghost,TryGhost/Ghost,janvt/Ghost,chevex/undoctrinate,JohnONolan/Ghost,dbalders/Ghost,ErisDS/Ghost,kevinansfield/Ghost,kevinansfield/Ghost,e10/Ghost,Kikobeats/Ghost,JohnONolan/Ghost,ErisDS/Ghost,TryGhost/Ghost,TryGhost/Ghost,Kikobeats/Ghost,Kikobeats/Ghost,dbalders/Ghost,acburdine/Ghost,kevinansfield/Ghost,Gargol/Ghost,acburdine/Ghost,bitjson/Ghost,dbalders/Ghost,JohnONolan/Ghost,e10/Ghost,ErisDS/Ghost,bitjson/Ghost,acburdine/Ghost,janvt/Ghost