Bump image_optim from 0.26.5 to 0.29.0

Bumps image_optim from 0.26.5 to 0.29.0.

Changelog

Sourced from image_optim's changelog.

v0.29.0 (2021-04-28)

• Require at least ruby 1.9.3 @​toy
• Add support for use as pre-commit hook #192 @​proinsias
• Fix Path#copy_metadata by rescuing also Errno::EACCES as it is done in fileutils #187 @​toy
• More precise regular expression for capturing svgo version @​toy

v0.28.0 (2020-12-18)

• Fix and update list of markers in jpegoptim worker: allow to pass com instead of incorrect comments and add missing xmp and none #188 @​toy
• Add --skip-if-larger flag to pngquant worker. The pngquant worker already does this, but this will make it fail faster. #125 #181 @​iggant @​oblakeerickson
• Add method option for jpegrecompress, default to ssim #102 #103 #182 @​ramiroaraujo @​oblakeerickson

v0.27.1 (2020-09-30)

• Fixed atomic replacement for case when equal File::Stat#dev doesn't mean that file can be linked #180 @​toy

v0.27.0 (2020-08-27)

• Use .tmp as the extension for temporary file if it needs to be created for atomic replacement #178 @​toy
• Don't create a temporary file in destination directory for atomic replacement if temporary directory is on same device as destination #178 @​toy

Commits

• bb169a6 v0.29.0
• f958545 require at least ruby 1.9.3
• 77efa94 Add support for use as pre-commit hook
• 249d329 travis: ruby 2.5.9, 2.6.7, 2.7.3 and 3.0.1
• 22f3aec rubocop 1.12.0
• 74f0a8b rubocop: add rubocop-rspec to gemspec
• e9d4f57 update Path#copy_metadata adapted from fileutils
• 183b7a4 travis: change commands order
• b0bc624 better matcher for capturing svgo version
• e548068 appveyor: don't specify node version to install
• Additional commits viewable in compare view