Port to bzlmod

[Vertexwahn]

This PR moves glog to Bzlmod and deletes the traditional WORKSPACE approach

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 63.98%. Comparing base (cd4ef77) to head (6a00c67).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1097 +/- ## ======================================= Coverage 63.98% 63.98% ======================================= Files 19 19 Lines 2563 2563 Branches 909 897 -12 ======================================= Hits 1640 1640 - Misses 656 658 +2 + Partials 267 265 -2 ``` [see 1 file with indirect coverage changes](https://app.codecov.io/gh/google/glog/pull/1097/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=google)

[sergiud]

Thanks!