Revert latest gRPC changes to allow more flexibility in versions

[yurishkuro]

Which problem is this PR solving?

• in 1.26 gRPC renamed resolver.BuildOption to resolver.BuildOptions, and created deprecated aliases.
• Upgrade dependencies dep ensure --update #2012 changed the code to remove deprecation failures from staticcheck
• which makes it incompatible with repos that use older gRPC versions (like the internal build at Uber)

Short description of the changes

• Revert struct names to pre-1.26 version and add lint:ignore comments to pass staticcheck

[codecov]

Codecov Report

Merging #2018 into master will decrease coverage by 0.03%.
The diff coverage is 50%.

@@            Coverage Diff             @@
##           master    #2018      +/-   ##
==========================================
- Coverage   97.45%   97.41%   -0.04%     
==========================================
  Files         207      207              
  Lines       10243    10243              
==========================================
- Hits         9982     9978       -4     
- Misses        220      222       +2     
- Partials       41       43       +2

Impacted Files	Coverage Δ
pkg/discovery/grpcresolver/grpc_resolver.go	98.57% <50%> (ø)	⬆️
cmd/query/app/static_handler.go	86.84% <0%> (-1.76%)	⬇️
plugin/storage/badger/spanstore/reader.go	96.15% <0%> (-0.65%)	⬇️

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