OOoLilyPond-1.1.4

Changes to OOoLilyPond 1.1.4 since 1.1.2 (March 2022):
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* Improvement: reading of Ly's --version output adapted to Ly 2.23 behavior
(from OLy 1.1.3 which was only a development pre-release)
* Improvement: hopefully correct default command for LilyPond executable on Mac
* Improvement: When "insert as separate images (system-by-system)" is active,
pdf-to-svg conversion only is executed for the images actually inserted.
Images that are not within the given range ("from" and "to" fields) will not be converted.