pyproject: Bump version to 1.0.0

- Updated project version to `1.0.0` in `pyproject.toml` to signify the
  first stable release of the library.

Author: datalogics-kam

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "pdfrest"
-version = "0.1.0"
+version = "1.0.0"
 description = "Python client library for interacting with the PDFRest API"
 readme = "README.md"
 authors = [