gh-37833: build/pkgs/{python3,setuptools}: Update fedora distro info

    
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- Cherry-picked from #36181

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### ⌛ Dependencies

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URL: #37833
Reported by: Matthias Köppe
Reviewer(s): Enrique Manuel Artal Bartolo

build/pkgs/python3/distros/fedora.txt

@@ -1,2 +1,2 @@
 python3-devel
-python-setuptools
+python3-setuptools

build/pkgs/setuptools/distros/fedora.txt

@@ -1 +1 @@
-python-setuptools
+python3-setuptools