gnu: python-rfc3986: Update to 2.0.0.

* gnu/packages/python-xyz.scm (python-rfc3986): Update to 2.0.0.
  [build-system]: Use pyproject.
  [native-inputs]: Add python-setuptools.

Change-Id: I7adcfe876d56cf152eeed27519268dddaf4fbfe5

gnu/packages/python-xyz.scm

@@ -26931,22 +26931,16 @@ conversion: Gamut A, B, and C.")
 (define-public python-rfc3986
   (package
     (name "python-rfc3986")
-    (version "1.4.0")
-    (source (origin
+    (version "2.0.0")
+    (source
+     (origin
        (method url-fetch)
        (uri (pypi-uri "rfc3986" version))
        (sha256
-               (base32
-                "17dvx15m3r49bmif5zlli8kzjd6bys6psixzbp14sd5367d9h8qi"))))
-    (build-system python-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (replace 'check
-           (lambda _
-             (invoke "pytest" "-v"))))))
+        (base32 "0716rg74cpmhi9f77ypnwcdsyfjplsgk1rnnmadq5zabpnfwzalp"))))
+    (build-system pyproject-build-system)
     (native-inputs
-     (list python-pytest))
+     (list python-pytest python-setuptools))
     (home-page "https://rfc3986.readthedocs.io/")
     (synopsis "Parse and validate URI references")
     (description