cozypkg: update checksum for 1.4.4 release

[stefanb]

Ref:

• go 1.27rc2, go@1.26 1.26.5 (new formula) #288803

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• Have you ensured that your commits follow the commit style guide?
• Have you checked that there aren't other open pull requests for the same formula update/change?
• Have you built your formula locally with HOMEBREW_NO_INSTALL_FROM_API=1 brew install --build-from-source <formula>?
• Is your test running fine brew test <formula>?
• Does your build pass brew audit --strict <formula> (after doing HOMEBREW_NO_INSTALL_FROM_API=1 brew install --build-from-source <formula>)? If this is a new formula, does it pass brew audit --new <formula>?

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[daeho-ro]

It looks like the tag isn't changed but checksum is different, weird...

• https://github.com/cozystack/cozystack/actions?query=branch:v1.4.4

[daeho-ro]

• v1.4.4 package tarball is changed cozystack/cozystack#2958

[daeho-ro]

New version will supersede this

• cozypkg 1.5.0 #289264

[stefanb]

Superseded by

• cozypkg 1.5.0 #289264