Add vsipy and qt dependencies to pyproject.toml

Use PyQt5 backend version used in mantid (although allow patch verisons above) and therefore compatible with IDAaaS

python/pyproject.toml

@@ -49,6 +49,9 @@ include = [ { path = "pyspinw/ctfs/*" } ]
 python = ">=3.8,<=3.12"
 libpymcr = ">=0.1.3"
 numpy = "^1.21.4"
+pyqt5="~5.15"
+vispy=">=0.14.1"
+
 # Optional dependencies
 pytest = {version = ">=7.0.0", optional = true}
 pytest-cov = {version = ">=3,<5", optional = true}