PMM-9377 upgrade to grpc-gateway v2

[idoqo]

PMM-9377

grpc-gateway v2 upgrade that uses a custom error handler instead of a fork.

Build: SUBMODULES-2419

• PMM-9377 grpc-gateway v2 upgrade pmm#861

[codecov]

Codecov Report

Merging #1056 (f142bfe) into main (09daeb9) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

❗ Current head f142bfe differs from pull request most recent head 2934d64. Consider uploading reports for the commit 2934d64 to get more accurate results

@@            Coverage Diff             @@
##             main    #1056      +/-   ##
==========================================
- Coverage   48.69%   48.68%   -0.02%     
==========================================
  Files         181      181              
  Lines       21258    21263       +5     
==========================================
  Hits        10351    10351              
- Misses       9769     9774       +5     
  Partials     1138     1138              

Flag	Coverage Δ
all	48.33% <0.00%> (-0.02%)	⬇️
cover	48.80% <0.00%> (-0.02%)	⬇️
crosscover	48.68% <0.00%> (-0.02%)	⬇️
update	12.84% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
main.go	0.00% <0.00%> (ø)
services/converters.go	74.53% <0.00%> (+0.19%)	⬆️

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