feat(node-version): raised the minimum required version to v14.17 (se…

…mantic-release#2132)

BREAKING CHANGE: the minimum required version of node is now v14.17

fix(plugins): upgraded to stable versions of the plugins

fix(plugins): upgraded to the beta versions of the commit-analyzer an…

…d release-notes-generator plugins

fix(npm): upgraded to the beta version of the npm plugin (semantic-re…

…lease#2103)

fix(error): upgraded to the beta of the error plugin

fix(release-notes-generator): updated to the beta of the plugin

for semantic-release#2055

fix(github): updated to the beta of the github plugin

Merge branch 'master' of github.com:semantic-release/semantic-release…

… into beta

fix(engines): fixed defined node version to account for the higher re…

…quirement from the npm plugin (semantic-release#2088)

fix(marked): reverted upgrade to v3 (semantic-release#2087)

since marked v3 requires node v12