[ci] Disable win64/pharo.stack.spur [ci skip]
[ci] Disable win64/pharo.stack.spur [ci skip]

recently merged pharo openssl changes may have omitted stuff, but this
is not critical for all other builds

timfel/squeakvm,timfel/squeakvm,OpenSmalltalk/vm,timfel/squeakvm,timfel/squeakvm,timfel/squeakvm,timfel/squeakvm,OpenSmalltalk/vm,OpenSmalltalk/vm,OpenSmalltalk/vm,timfel/squeakvm,OpenSmalltalk/vm,OpenSmalltalk/vm,OpenSmalltalk/vm,timfel/squeakvm,OpenSmalltalk/vm