chore(deps-dev): update @octokit/rest requirement from ^15.2.6 to ^16.29.0

[dependabot-preview]

Updates the requirements on @octokit/rest to permit the latest version.

Release notes

Sourced from @octokit/rest's releases.

v16.29.0

16.29.0 (2019-09-19)

Bug Fixes

• luke-cage header is not required (9926988)
• restrictions.teams and restrictions.users are required for `octokit.repos.updateBranchProtection() (d68aa77)
• add deprecation messages for octokit.teams.{add,get,remove}Member() (f4e0a1b)
• add enum for privacy parameter for octokit.teams.edit() (71ba2ae)
• alias for "sha" is "ref" for octokit.repos.getCommit() (9164417)
• remove incorrect page/per_page parameters from PATCh requests (6395735)
• remove incorrect page/per_page parameters from POST requests (a7a45ac)
• remove unused page and per_page parameters from octokit.repos.listProtectedBranchTeamRestrictions() (3c04006)
• set "luke-cage" preview request for branch protection endpoint methods (6a3d318)
• validate enum values always as strings (22fb9ab)

Features

• octokit.pulls.createReviewCommentReply() (c7831d3)
• deprecation: octokit.pulls.createCommentReply() has been renamed to octokit.pulls.createComment() (b59f0b5)
• deprecation: octokit.repos.listProtectedBranchTeamRestrictions & octokit.repos.listTeamsWithAccessToProtectedBranch -> octokit.repos.getTeamsWithAccessToProtectedBranch (9e3b5b1)
• deprecation: octokit.repos.listProtectedBranchUserRestrictions & octokit.repos.listUsersWithAccessToProtectedBranch -> octokit.repos.getUsersWithAccessToProtectedBranch (5896712)
• octokit.repos.addProtectedBranchAppRestrictions(), octokit.repos.removeProtectedBranchAppRestrictions(), octokit.repos.replaceProtectedBranchAppRestrictions() (542c7e7)
• octokit.repos.createDispatchEvent() (eee4ae6)
• octokit.repos.listAppsWithAccessToProtectedBranch() -> octokit.repos.getAppsWithAccessToProtectedBranch() (4d4fe03)

Commits

• ed93520 ci(travis): remove Node 6 syntax
• 0ded084 build: update dependencies
• 20eca47 style: prettier
• ed1202f build(package): lint test/typescript-validate.ts
• b6df9e9 test: address deprecation warnings
• 9926988 fix: luke-cage header is not required
• 9457e0c style(routes): prettier
• 1616310 build(routes): format JSON output with prettier
• af72539 docs: @octokit/routes -> octokit-routes-graphql-server
• 4e31c4b style(docs): prettier
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #58.