chore(deps): update image_size requirement from >= 1.5, < 3.1 to >= 1.5, < 3.2

[dependabot[bot]]

Updates the requirements on image_size to permit the latest version.

Changelog

Sourced from image_size's changelog.

v3.1.0 (2022-09-17)

• Document experimental fetching from http server #18 @​toy
• Improve experimental fetching of image meta from http server by reading only required amount of data when server does not support range header @​toy

v3.0.2 (2022-05-19)

• Fix handling empty files #20 @​toy

v3.0.1 (2021-10-21)

• Fix reading file chunks starting after EOF and reading chunks non-consecutively toy/image_optim_rails#12 @​toy

v3.0.0 (2021-10-17)

• Read only required chunks of data for files and seekable IOs @​toy
• Raise FormatError whenever reading data returns less data than expected #12 @​toy
• Add w/width and h/height accessors to Size @​toy
• Experimental efficient fetching of image meta from http server supporting range @​toy

v2.1.2 (2021-08-21)

• Fix for pcx on big endian systems by forcing reading dimensions in little endian byte order #15 #16 @​mtasaka

v2.1.1 (2021-07-04)

• Add actual license texts, assuming old dual Ruby/GPLv2 license #14 @​toy

v2.1.0 (2020-08-09)

• Add handling of JPEG 2000: part 1 (jp2), part 2 (jpx) and codestream (j2c) #13 @​toy
• Correct handling of pam images and cleanup handling of Netpbm images (pbm, pgm, pnm) @​toy

v2.0.2 (2019-07-14)

• Remove deprecated rubyforge_project attribute from gemspec rubygems/rubygems#2436 @​toy

v2.0.1 (2019-05-17)

• Adapt to frozen string literals @​toy

v2.0.0 (2018-05-01)

• Allow any class responding to read and eof? to be passed to ImageSize @​toy
• Introduce rubocop @​toy
• Use File.open instead of Kernel#open @​toy
• Don’t rewind IO before or after usage @​toy
• Enhance readme @​toy

v1.5.0 (2016-11-20)

... (truncated)

Commits

• 35b1e41 v3.1.0
• cda98ab document experimental uri reader and add changelog entries, resolves #18
• 86cc541 fetch minimum amount of data when HTTP server ignores Range header
• 4a9040a add badge for rubocop workflow
• d8e71e4 rubocop 1.31.1
• b218434 v3.0.2
• 25f97bf fix handling empty files, resolves #20
• 445315e fail tests for too big files to reduce resulting gem size
• 19339b9 rubocop 1.29.0
• 3b73c35 update version in readme
• Additional commits viewable in compare view

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