Merge pull request #1125 from m-muecke/test-unitRoot

test: couple sanity tests for unitRoot.R

Merge pull request #1124 from m-muecke/base-deprecated

Merge pull request #1123 from m-muecke/which-call

Merge pull request #1122 from m-muecke/simulate-forecast-innov

refactor: replace ad-hoc deprecation warnings with `.Deprecated()`

fix: pass innov per path in `simulate_forecast()`

refactor(acf): remove redundant which() call

Merge pull request #1120 from m-muecke/matrix-real

Merge pull request #1119 from m-muecke/snaive-pass-dots

Merge pull request #1118 from m-muecke/ets-target-clean

Merge pull request #1117 from m-muecke/forecast-structts-msts-mean

fix(naive): pass ... from `snaive()` to `rwf()`

refactor: use NA_real_ consistently in matrix preallocation

refactor(etsTargetFunction): remove dead code and basic formatting