fix(metrics): Unregister callback on stop for several metrics implementations

[renaynay]

Self explanatory

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 18.91892% with 60 lines in your changes are missing coverage. Please review.

Project coverage is 44.51%. Comparing base (2469e7a) to head (1920828).
Report is 34 commits behind head on main.

Files	Patch %	Lines
share/eds/cache/doublecache.go	0.00%	11 Missing ⚠️
share/eds/metrics.go	0.00%	10 Missing ⚠️
share/eds/cache/metrics.go	0.00%	9 Missing ⚠️
state/metrics.go	0.00%	7 Missing ⚠️
nodebuilder/node/metrics.go	60.00%	2 Missing and 2 partials ⚠️
share/eds/cache/accessor_cache.go	0.00%	4 Missing ⚠️
das/daser.go	0.00%	1 Missing and 1 partial ⚠️
das/metrics.go	60.00%	2 Missing ⚠️
share/eds/cache/noop.go	0.00%	2 Missing ⚠️
share/eds/store.go	0.00%	2 Missing ⚠️
... and 4 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3281      +/-   ##
==========================================
- Coverage   44.83%   44.51%   -0.33%     
==========================================
  Files         265      273       +8     
  Lines       14620    15202     +582     
==========================================
+ Hits         6555     6767     +212     
- Misses       7313     7654     +341     
- Partials      752      781      +29     

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[walldiss]

warning: few warns missed 😄