Make phpspy use direct read from mem

[AdrK]

Do not merge before:
grafana/phpspy#3

[codecov]

Codecov Report

Merging #239 (1a6dc66) into main (af9a745) will decrease coverage by 0.12%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #239      +/-   ##
==========================================
- Coverage   54.96%   54.85%   -0.11%     
==========================================
  Files          86       86              
  Lines        3583     3583              
==========================================
- Hits         1969     1965       -4     
- Misses       1410     1414       +4     
  Partials      204      204              

Impacted Files	Coverage Δ
pkg/analytics/analytics.go	84.06% <0.00%> (-2.89%)	⬇️
pkg/agent/upstream/remote/remote.go	62.32% <0.00%> (-2.89%)	⬇️

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