Support Force-update in Mirror and improve Tracing in mirror

[zeripath]

This PR allows the mirror service to handle force-updates and improves Trace logging within the mirror service considerably.

It also fixes a bug in log.NewColoredIDValue() which led to a double indirection and incorrect IDs being printed out.

[lafriks]

small nit but otherwise lgtm

[6543]

@zeripath there should be an option to enable/disable force-update on mirrors since it could be an eavel atack to delete code

some mirrors exist to have a copy of some code (prevent code erase of eavil actions witch could happen on opencource repos)

[zeripath]

@6543 git is doing the mirroring not us - so the force update already happens - the issue is that the gitea UI doesn't get updated.

[6543]

ok konssider this pull as bugfix (as lable already indecate) and my comment as new feature-request

[codecov-commenter]

Codecov Report

Merging #12242 into master will increase coverage by 0.00%.
The diff coverage is 21.42%.

@@           Coverage Diff           @@
##           master   #12242   +/-   ##
=======================================
  Coverage   43.50%   43.51%           
=======================================
  Files         642      642           
  Lines       71013    71040   +27     
=======================================
+ Hits        30893    30910   +17     
- Misses      35113    35123   +10     
  Partials     5007     5007           

Impacted Files	Coverage Δ
services/mirror/mirror.go	18.58% <21.42%> (+0.36%)	⬆️
modules/indexer/stats/db.go	43.47% <0.00%> (-17.40%)	⬇️
modules/indexer/stats/queue.go	64.70% <0.00%> (-11.77%)	⬇️
modules/process/manager.go	72.50% <0.00%> (-2.50%)	⬇️
models/issue_comment.go	53.90% <0.00%> (+0.15%)	⬆️
models/error.go	35.32% <0.00%> (+0.51%)	⬆️
modules/log/event.go	57.54% <0.00%> (+0.94%)	⬆️
modules/queue/unique_queue_disk_channel.go	55.38% <0.00%> (+1.53%)	⬆️
modules/queue/workerpool.go	60.81% <0.00%> (+2.04%)	⬆️
services/pull/check.go	50.00% <0.00%> (+2.30%)	⬆️
... and 1 more

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