[ci] update spFFT to 0.9.7
[ci] update spFFT to 0.9.7

toxa81/sirius,electronic-structure/sirius,electronic-structure/sirius,electronic-structure/sirius,electronic-structure/sirius,electronic-structure/sirius,electronic-structure/sirius,toxa81/sirius,toxa81/sirius,toxa81/sirius,toxa81/sirius,toxa81/sirius,electronic-structure/sirius