Improve handling empty segments in urls according to RFC3986 #786

Job	Run time
⚙️ Pre-set global build settings	1s
lint / Linter	2m 20s
📦 Build distribution packages	13s
📦 Build wheels for tested arches / Build wheels on macos	4m 27s
📦 Build wheels for tested arches / Build wheels on ubuntu	2m 28s
📦 Build wheels for tested arches / Build wheels on windows	4m 38s
Test (3.12, ubuntu-latest, false)	32s
Test (3.12, macos-latest, false)	40s
Test (3.12, windows-latest, false)	1m 13s
Test (3.12, Y, ubuntu-latest, false)	35s
Test (3.11, ubuntu-latest, false)	28s
Test (3.11, macos-latest, false)	33s
Test (3.11, windows-latest, false)	1m 6s
Test (3.11, Y, ubuntu-latest, false)	25s
Test (3.10, ubuntu-latest, false)	43s
Test (3.10, macos-latest, false)	32s
Test (3.10, windows-latest, false)	1m 37s
Test (3.10, Y, ubuntu-latest, false)	41s
Test (3.9, ubuntu-latest, false)	43s
Test (3.9, macos-latest, false)	34s
Test (3.9, windows-latest, false)	1m 8s
Test (3.9, Y, ubuntu-latest, false)	26s
Test (3.8, ubuntu-latest, false)	29s
Test (3.8, macos-latest, false)	1m 23s
Test (3.8, windows-latest, false)	1m 14s
Test (3.8, Y, ubuntu-latest, false)	43s
Test (pypy-3.10, Y, false, ubuntu-latest)	1m 22s
Test (pypy-3.9, Y, false, ubuntu-latest)	1m 5s
Test (pypy-3.8, Y, false, ubuntu-latest)	1m 11s
Test matrix status	1s
Pre-Deploy	0s
📦 Build wheels for odd arches${{ '' }}	0s
Deploy	0s
	33m 31s

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