release: Adjust release notes for 0.20.3
release: Adjust release notes for 0.20.3

digitalcraftsman/hugo,mitchchn/hugo,digitalcraftsman/hugo,gohugoio/hugo,mdhender/hugo,mdhender/hugo,mdhender/hugo,anthonyfok/hugo,mitchchn/hugo,anthonyfok/hugo,gohugoio/hugo,fedelibre/hugo,fedelibre/hugo,gohugoio/hugo,mdhender/hugo,fedelibre/hugo,fedelibre/hugo,anthonyfok/hugo