Enable PHP8 support

• allow to install on PHP8
• upgrade dependencies

3.2.7

• Fix #148

3.2.6

• Prefer gitlab ssh url #141
• update bitbucket trusted ip ranges #144
• full support for PHP7.4

3.2.5

• fix #135
• fix #136

3.2.4

• fix archive serialization exception
• fix missing repository options
• fix #131

3.2.3

• fix command satisfy:rebuild

3.2.2

• fix #126
• update framework to latest version

3.2.1

• fix #118
• fix #122
• replace old jms/serializer with latest symfony/serializer
• upgrade symfony 3.4 => 4.4
• upgrade other vendor packages

3.2

• added GitLab webhook with ability to create new entries automatically
• show warning if required file permissions is missing
• support for PHP 7.3
• many bug fixes and minor improvements

3.1

• added webhook endpoints for github and bitbucket #75
• a rebuild of all/single repository can be triggered using global event
• added support for require option #79 , see example
• satis index page redesign and optimizations composer/satis@65d1f34
• minimum required PHP version now is 7.1
• improved code style & fixed static analysis warnings 172bd17 and 3390f81