Remove extraction from Vec for PyArrayLikeDyn #1062

Job	Run time
check-msrv	5m 16s
lint	25s
examples	1m 16s
cross-build	0s
python${{ matrix.python-version }}-${{ matrix.platform.python-architecture }} ${{ matrix.platform.os }} numpy1	0s
python${{ matrix.python-version }}-${{ matrix.platform.python-architecture }} ${{ matrix.platform.os }}	0s
coverage	0s
careful	0s
valgrind	0s
	6m 57s

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