Replace logs by metrics on Kate

[MiguelDD1]

It replaces logs by metrics which will be pushed into Prometheus in the node.

[codecov]

Codecov Report

Patch coverage: 96.34% and project coverage change: -4.32 ⚠️

Comparison is base (4c32cbe) 58.89% compared to head (7c4e329) 54.57%.

❗ Current head 7c4e329 differs from pull request most recent head 6427c72. Consider uploading reports for the commit 6427c72 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #24      +/-   ##
==========================================
- Coverage   58.89%   54.57%   -4.32%     
==========================================
  Files          41       43       +2     
  Lines        5561     6133     +572     
==========================================
+ Hits         3275     3347      +72     
- Misses       2286     2786     +500     

Impacted Files	Coverage Δ
kate/src/lib.rs	70.17% <ø> (ø)
primitives/avail/src/header/mod.rs	60.00% <ø> (+2.20%)	⬆️
primitives/avail/src/traits.rs	4.34% <ø> (-0.60%)	⬇️
kate/src/metrics.rs	83.33% <83.33%> (ø)
...imitives/avail/src/asdr/app_unchecked_extrinsic.rs	71.71% <93.33%> (+2.54%)	⬆️
kate/src/com.rs	96.37% <100.00%> (+1.58%)	⬆️
kate/recovery/src/index.rs	46.34% <0.00%> (-10.65%)	⬇️
primitives/nomad/signature/src/signature.rs	48.45% <0.00%> (-6.27%)	⬇️
... and 4 more

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