PPh(2‐C6H4S)2 as a Pincer Ligand in Nickel(II) and Palladium(II) Complexes — X‐ray Structure of [Ni{PPh(C6H4S)2}(PPh2Me)], [Pd2(μ‐dppe){PPh(C6H4S)2}2] and [Ni{PPh(C6H4S)2}]2