v1.71.2
s3: update to using AWS SDK v2 - fixes #4989
docs: fix various typos Found via `codespell -q 3 -S "./docs/static,./fs/rc/params_test.go" -L aadd,afile,alledges,bbefore,bu,buda,copys,couldn,crashers,crypted,ddelete,deriver,failre,goup,hashin,hel,inbraces,keep-alives,ket,medias,ment,mis,nd,nin,notin,ois,ot,parth,re-use,re-using,responser,rin,sav,splited,streamin,synching,te,twoo,ue,unknwon,wasn`
s3: add IBM IAM signer - fixes #7617
build: fix lint issue: should omit type error from declaration
s3: fix Content-Type: aws-chunked causing upload errors with --metadata
s3: fix testing tiers which don't exist except on AWS