Update stats report interval to send each second

[anjmao]

No description provided.

[codecov-io]

Codecov Report

Merging #1796 into master will decrease coverage by 0.01%.
The diff coverage is 80%.

@@            Coverage Diff             @@
##           master    #1796      +/-   ##
==========================================
- Coverage   46.84%   46.82%   -0.02%     
==========================================
  Files         281      281              
  Lines       11575    11576       +1     
==========================================
- Hits         5422     5421       -1     
- Misses       5729     5732       +3     
+ Partials      424      423       -1

Impacted Files	Coverage Δ
services/openvpn/client.go	23.63% <0%> (ø)	⬆️
core/connection/manager.go	82.83% <100%> (-0.61%)	⬇️
core/connection/stats_publisher.go	86.36% <100%> (ø)	⬆️
tequilapi/sse/sse.go	71.11% <0%> (-2.23%)	⬇️
core/discovery/discovery.go	65.54% <0%> (-1.69%)	⬇️
core/policy/oracle.go	91.89% <0%> (+5.4%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 753a115...34be95e. Read the comment docs.