build: keep requiring guidata >= 3.17 until guidata 3.17.1 is released

Requiring guidata >= 3.17.1 broke the Read the Docs build: the
development version of guidata installed for it is still numbered
3.17.0, as guidata's version is raised when it is released. As usual,
the minimum guidata version will be raised once guidata 3.17.1 is
published.

Refs #91

Assisted-by: Claude Opus 5.5

Author: PierreRaybaut

doc/release_notes/release_2.12.md

@@ -6,7 +6,7 @@
 
 * **Images on high-DPI screens** — With a display scaling factor such as 125 %, 150 % or 200 %, images were rendered at the resolution of the plot canvas and then upscaled to the screen resolution: with a 200 % scaling, images were shown with half the resolution of the screen, and with a 125 % scaling, one screen pixel row and column out of five were duplicated, which made fine image details (e.g. noise, thin lines) look irregular. Images are now rendered at the resolution of the screen; printing and exporting are not affected. Rendering images at the screen resolution takes more time: for a 2000 × 2000 image shown in a 700 × 700 plot, about 8 ms instead of 7 ms with a 125 % scaling and 19 ms instead of 7 ms with a 200 % scaling (104 ms instead of 28 ms with the anti-aliasing interpolation). The new `image/device_resolution` option of the `plot` configuration section restores the previous behavior
 * **Raw image items** — `RawImageItem` objects were not drawn: each redraw failed with `ValueError: Invalid destination rectangle (expected tuple of 4 integers)`
-* **Blurry icons with display scaling** — PlotPy's icons (toolbar tools, item list, curve, marker and line styles, brush patterns, ...) were 16×16 pixel PNG images, which looked blurry with a display scaling greater than 100 % (e.g. 125 %, 150 %, 200 %). They are now SVG images, which remain sharp at any display scaling. Applications requesting a PlotPy icon by its former PNG name (e.g. `get_icon("csection.png")`) still get it, thanks to the PNG to SVG fallback of guidata 3.17.1 (now required). The notices of the original artwork are provided in `plotpy/data/icons/LICENSES.txt` (fixes [Issue #91](https://github.com/PlotPyStack/PlotPy/issues/91))
+* **Blurry icons with display scaling** — PlotPy's icons (toolbar tools, item list, curve, marker and line styles, brush patterns, ...) were 16×16 pixel PNG images, which looked blurry with a display scaling greater than 100 % (e.g. 125 %, 150 %, 200 %). They are now SVG images, which remain sharp at any display scaling. Applications requesting a PlotPy icon by its former PNG name (e.g. `get_icon("csection.png")`) still get it with guidata 3.17.1 or later, whose `get_image_file_path` falls back to the SVG image with the same name. The notices of the original artwork are provided in `plotpy/data/icons/LICENSES.txt` (fixes [Issue #91](https://github.com/PlotPyStack/PlotPy/issues/91))
 * **Image lock tool icon** — The "Lock" tool of transformable images showed the "not found" icon until an image was selected: it now shows the lock icon
 
 ⚡ Performance:

pyproject.toml

@@ -37,7 +37,7 @@ classifiers = [
 ]
 requires-python = ">=3.10, <4"
 dependencies = [
-    "guidata >= 3.17.1",
+    "guidata >= 3.17",
     "PythonQwt >= 0.17",
     "numpy >= 1.22",
     "SciPy >= 1.7.3",