feat: Added untyped spans for tracing

[mitsuhiko]

No description provided.

[codecov-io]

Codecov Report

Merging #179 into master will decrease coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #179      +/-   ##
==========================================
- Coverage   64.66%   64.65%   -0.02%     
==========================================
  Files          83       83              
  Lines        8989     8991       +2     
==========================================
  Hits         5813     5813              
- Misses       3176     3178       +2

Impacted Files	Coverage Δ
general/src/protocol/event.rs	81.95% <0%> (-1.26%)	⬇️

---

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 5565164...afa9a72. Read the comment docs.