Upgrading release-it 7 to 8

Installs 619 packages in all (was 630).

Also installs @octokit/endpoint, @octokit/request, deepmerge, lodash.get, lodash.pick, lodash.set, lodash.uniq, octokit-pagination-methods.

No longer installs agent-base, conventional-changelog-jscs, es6-promise, es6-promisify, http-proxy-agent, https-proxy-agent, win-release.

Moves @octokit/rest 15.13.1 → 16.1.0, ansi-regex 2.1.1, 3.0.1 → 2.1.1, 3.0.1, 4.1.1, ci-info 1.6.0 → 1.6.0, 2.0.0, compare-func 1.3.4, 2.0.0 → 2.0.0, conventional-changelog 2.0.3 → 3.0.5, conventional-changelog-angular 1.6.6 → 5.0.13, conventional-changelog-jquery 0.1.0 → 3.0.11, conventional-recommended-bump 4.0.1 → 4.0.4, debug 2.6.9, 3.1.0, 3.2.7, 4.1.0 → 2.6.9, 4.1.0, dot-prop 3.0.0, 4.2.1, 5.3.0 → 4.2.1, 5.3.0, inquirer 6.2.0 → 6.2.1, is-ci 1.2.1 → 1.2.1, 2.0.0, macos-release 1.1.0, 2.5.1 → 2.5.1, mime-db 1.36.0 → 1.37.0, mime-types 2.1.20 → 2.1.21 and 4 more. Your build may pick other versions.