Change swagger URL to match blocky's version

[ThinkChaos]

Just a small change so the link to Swagger is versioned.

[codecov]

Codecov Report

Merging #498 (9495e78) into development (b67df0b) will increase coverage by 0.78%.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##           development     #498      +/-   ##
===============================================
+ Coverage        94.63%   95.41%   +0.78%     
===============================================
  Files               35       36       +1     
  Lines             2796     3644     +848     
===============================================
+ Hits              2646     3477     +831     
- Misses             115      127      +12     
- Partials            35       40       +5     

Impacted Files	Coverage Δ
server/server_endpoints.go	94.94% <100.00%> (-0.33%)	⬇️
config/config.go	98.30% <0.00%> (-0.35%)	⬇️
cmd/query.go	100.00% <0.00%> (ø)
cmd/serve.go	100.00% <0.00%> (ø)
resolver/resolver.go	100.00% <0.00%> (ø)
resolver/client_names_resolver.go	100.00% <0.00%> (ø)
resolver/parallel_best_resolver.go	100.00% <0.00%> (ø)
resolver/conditional_upstream_resolver.go	100.00% <0.00%> (ø)
resolver/bootstrap.go	89.83% <0.00%> (ø)
... and 5 more

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[0xERR0R]

Thanks, this makes sense!