fix: use typed C temporaries for scalar output params (#88)

* fix: use typed C temporaries for scalar output params

* build: update generated vips packages

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Co-authored-by: cshum <293790+cshum@users.noreply.github.com>

build: update generated vips packages (#85)

Co-authored-by: cshum <293790+cshum@users.noreply.github.com>

fix: memory leak in getting int slice output (#83)

* fix: fix memory leak in getting int slice output

* build: update generated vips packages

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Co-authored-by: cshum <293790+cshum@users.noreply.github.com>

docs: working with animated images

feat: image loop API (#81)

* feat: image loop API

* build: update generated vips packages

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Co-authored-by: cshum <293790+cshum@users.noreply.github.com>

refactor: flag handling for VipsForeignKeep (#79)

* refactor: flag handling for VipsForeignKeep

* build: update generated vips packages

* refactor: flag handling for VipsForeignKeep

* build: update generated vips packages

* refactor: flag handling for VipsForeignKeep

* build: update generated vips packages

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Co-authored-by: cshum <293790+cshum@users.noreply.github.com>

fix: pass keep=0 (KeepNone) through to libvips for metadata stripping (…

…#78)

* refactor: separated flag handling for VipsForeignKeep

* build: update generated vips packages

* refactor: separated flag handling for VipsForeignKeep

* build: update generated vips packages

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Co-authored-by: cshum <293790+cshum@users.noreply.github.com>

build: add manual workflow for fork PR generated files

build: libvips 8.18 and add multi-version pre-generated packages supp…

…ort (#69)

fix: signed Integer Interpretation for optional outputs (#63)

* unsigned int fix

* unsigned int fix

* test cases

* build: update generated vips package

* test cases

* test cases

* test cases

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Co-authored-by: cshum <293790+cshum@users.noreply.github.com>