Bump pedump from 0.5.4 to 0.6.0 in /omnibus

[dependabot-preview[bot]]

Bumps pedump from 0.5.4 to 0.6.0.

Commits

• eb61923 Regenerate gemspec for version 0.6.0
• bc021cc Version bump to 0.6.0
• a77d819 Merge pull request #15 from zed-0xff/dependabot/bundler/multipart-post-2.1.1
• 3c34425 refactor file type checks
• 3de55d9 Bump multipart-post from 2.0.0 to 2.1.1
• c3e5820 Create dependabot.yml
• 4fd5990 add code of conduct [skip ci]
• 9fc0f18 run travis osx only on xcode12u; readme upd
• 6f9a724 fix warning: comparison of unsigned expression < 0 is always false
• aeac85b add travis OSX
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #3006.