library/util_pack/: add labels to loops inside generate

[LBFFilho]

Quartus requires that all blocks inside generate statements have a label. The lack of these block labels was causing some projects to fail to build.

https://www.intel.com/content/www/us/en/support/programmable/articles/000090348.html

PR Type

• Bug fix (change that fixes an issue)
• New feature (change that adds new functionality)
• Breaking change (has dependencies in other repos or will cause CI to fail)
• Documentation

PR Checklist

• I have followed the code style guidelines
• I have performed a self-review of changes
• I have compiled all hdl projects and libraries affected by this PR
• I have tested in hardware affected projects, at least on relevant boards
• I have commented my code, at least hard-to-understand parts
• I have signed off all commits from this PR
• I have updated the documentation (wiki pages, ReadMe files, Copyright etc)
• I have not introduced new Warnings/Critical Warnings on compilation
• I have added new hdl testbenches or updated existing ones

[LBFFilho]

RetriggerCI

[IstvanZsSzekely]

Please update the license header.

[LBFFilho]

The header is already up to date (it had already been modified this year)

[IstvanZsSzekely]

The header is already up to date (it had already been modified this year)

The year structure might not be supported by the checker. Thanks for pointing that out! (I only looked at the error message)