Add explicit support for a proxy and bump scanner version

What's Changed

• Add explicit support for using a proxy by @csturiale in #154
• Bump scanner version to 4.7.0.2747 by @dzienisz in #151
• Fix sonar.links.issue incorrect naming by @ugrave in #160
• Fix documentation link about alpine by @sebaplaza in #134
• Improve documentation for using custom scanner path by @romanbalayan in #157

Milestone: https://github.com/bellingard/sonar-scanner-npm/milestone/19?closed=1
Full Changelog: 2.8.1...2.9.0

Replace `download` package and update dependencies

What's Changed

• Rename dist folder to src by @bellingard in #128
• Replace the download package by @dvolpato in #144
• Updated indirect dependencies by @gabssnake in e49b6e4

Milestone: https://github.com/bellingard/sonar-scanner-npm/milestone/21?closed=1
Full Changelog: 2.8.1...2.8.2

Update dependencies to remove potential security threats.

For more details: https://github.com/bellingard/sonar-scanner-npm/milestone/20?closed=1

Upgrade scanner version to 4.5

For more details: https://github.com/bellingard/sonar-scanner-npm/milestone/18?closed=1

Upgrade scanner version, and update name of the scanner

For more details: https://github.com/bellingard/sonar-scanner-npm/milestone/17?closed=1

Upgrade deps & scanner version, add customization features

For more details: https://github.com/bellingard/sonar-scanner-npm/milestone/16?closed=1

Update version of embedded SonarScanner CLI

For more details: https://github.com/bellingard/sonar-scanner-npm/milestone/15?closed=1

Fix regression on project key for scoped modules.

For more details: https://github.com/bellingard/sonar-scanner-npm/milestone/14?closed=1

Fix issue with wrong exit code.

For more details: https://github.com/bellingard/sonar-scanner-npm/milestone/13?closed=1

Update the SonarScanner to its latest version.

For more details: https://github.com/bellingard/sonar-scanner-npm/milestone/12?closed=1