Updated the peer depency to be more permissive

[rudolph9]

Running into the following using npm 7

» npm install
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! While resolving: feathers-elastic-apm-node@1.0.1
npm ERR! Found: danger@10.6.6
npm ERR! node_modules/danger
npm ERR!   dev danger@"^10.5.4" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer danger@"^6.0.0" from duti@0.15.2
npm ERR! node_modules/duti
npm ERR!   dev duti@"^0.15.2" from the root project
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR! 
npm ERR! See /Users/kurtrudolph/.npm/eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/kurtrudolph/.npm/_logs/2021-07-14T16_56_38_535Z-debug.log