feat: Add PDO spans to orphans removal

[PROFeNoM]

Description

AIDM-194

Fix #2732

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[pr-commenter]

Benchmarks

Benchmark execution time: 2024-07-04 11:58:03

Comparing candidate commit c1942f4 in PR branch alex/gh/2732 with baseline commit aa31d0c in branch master.

Found 3 performance improvements and 4 performance regressions! Performance is the same for 171 metrics, 0 unstable metrics.

scenario:EmptyFileBench/benchEmptyFileBaseline

• 🟥 execution_time [+79.203µs; +232.897µs] or [+3.381%; +9.940%]

scenario:PDOBench/benchPDOBaseline

• 🟥 execution_time [+13.721µs; +16.562µs] or [+7.904%; +9.541%]

scenario:PDOBench/benchPDOBaseline-opcache

• 🟩 execution_time [-17.966µs; -15.661µs] or [-9.424%; -8.215%]

scenario:PDOBench/benchPDOOverhead

• 🟥 execution_time [+15.602µs; +17.344µs] or [+5.662%; +6.294%]

scenario:PDOBench/benchPDOOverhead-opcache

• 🟩 execution_time [-15.240µs; -13.767µs] or [-5.114%; -4.620%]

scenario:PDOBench/benchPDOOverheadWithDBM

• 🟥 execution_time [+15.660µs; +17.447µs] or [+5.229%; +5.826%]

scenario:PDOBench/benchPDOOverheadWithDBM-opcache

• 🟩 execution_time [-15.614µs; -13.390µs] or [-4.694%; -4.025%]