Add `CUDAHOSTCXX` env variable to nvhpc containers #2241

Job	Run time
Check PR Event	1s
Validate Features	0s
Build	0s
Determine features matrix	0s
Feature integration	0s
Determine image matrix	0s
Test ${{ matrix.feature }} scenarios	0s
Test ${{ matrix.feature }} feature	0s
${{ matrix.name \|\| 'Linux' }}	0s
${{ matrix.name \|\| 'Windows' }}	0s
	1s

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