fix: http span name semantic

[jufab]

Change span name with method

more informations :

• Changes to http span name open-telemetry/opentelemetry-specification#3165
• https://github.com/open-telemetry/opentelemetry-specification/blob/v1.18.0/specification/trace/semantic_conventions/http.md#name

[codecov]

Codecov Report

Merging #154 (01cfb37) into main (dff30c9) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #154   +/-   ##
=======================================
  Coverage   99.42%   99.42%           
=======================================
  Files          29       29           
  Lines         345      345           
  Branches       46       46           
=======================================
  Hits          343      343           
  Misses          2        2           

Impacted Files	Coverage Δ
.../lib/interceptor/opentelemetry-http.interceptor.ts	99.00% <ø> (ø)

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