implement `From<Vec>` and `FromIterator` for `LazyIndexMap` #576

Job	Run time
build sdist	12s
build pgo-optimized on ${{ matrix.os }} / ${{ matrix.interpreter }}	0s
bench	1m 14s
build on ${{ matrix.os }} (${{ matrix.target }} - ${{ matrix.interpreter \|\| 'all' }}${{ (((matrix.os == 'linux') && format(' - {0}', (((matrix.manylinux == 'auto') && 'manylinux') \|\| matrix.manylinux))) \|\| '') }})	0s
fuzz skip	5m 53s
lint	3m 19s
fuzz on ubuntu-latest	1m 9s
resolve	5s
fuzz on macos-latest	8m 18s
test on macos-latest	1m 25s
test jiter-python	1m 28s
test on macos-latest	1m 14s
test build on ${{ matrix.target }}-${{ matrix.distro }}	0s
test build on ${{ matrix.os }}	0s
test rust-stable on linux	1m 34s
test rust-nightly on linux	2m 6s
test rust-1.73.0 on linux	1m 1s
inspect-pypi-assets	0s
check	2s
release-python	0s
release	0s
	29m 0s

Provide feedback