main/putty: upgrade to 0.75

 - ppc64 patch is now upstream, remove.
8 jobs for !21277 with putty in 8 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
canceled #389740
docker-alpine x86_64 allowed to fail
lint

00:00:08

 
  Build
canceled #389745
docker-alpine ci-build aarch64
build-aarch64

canceled #389747
docker-alpine ci-build armhf
build-armhf

canceled #389746
docker-alpine ci-build armv7
build-armv7

canceled #389744
docker-alpine ci-build ppc64le
build-ppc64le

canceled #389743
docker-alpine ci-build s390x
build-s390x

canceled #389742
docker-alpine ci-build x86
build-x86

canceled #389741
docker-alpine ci-build x86_64
build-x86_64