feat(r8): Make startline, endline and original_startline optional#84

romtsn merged 5 commits intorz/feat/r8-tests-line-number-handlinggetsentry/rust-proguard:rz/feat/r8-tests-line-number-handlingfrom

rz/fix/r8-tests-member-metadatagetsentry/rust-proguard:rz/fix/r8-tests-member-metadataCopy head branch name to clipboard