Fix/respond with api version only if server is older

[carpawell]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 24.71910% with 67 lines in your changes missing coverage. Please review.
✅ Project coverage is 27.19%. Comparing base (9e592e2) to head (08a25d3).

Files with missing lines	Patch %	Lines
pkg/services/object/server.go	20.00%	38 Missing and 2 partials ⚠️
pkg/services/netmap/server.go	0.00%	8 Missing ⚠️
cmd/neofs-node/reputation.go	0.00%	7 Missing ⚠️
pkg/services/accounting/server.go	0.00%	4 Missing ⚠️
pkg/services/container/server.go	63.63%	4 Missing ⚠️
pkg/services/session/server.go	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4110      +/-   ##
==========================================
- Coverage   27.20%   27.19%   -0.01%     
==========================================
  Files         676      677       +1     
  Lines       46227    46258      +31     
==========================================
+ Hits        12576    12581       +5     
- Misses      32437    32461      +24     
- Partials     1214     1216       +2     

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