fix(package): update govuk-elements-sass to version 3.1.1
fix(package): update govuk-elements-sass to version 3.1.1

benjeffreys/hmcts-idam-proto,gavinwye/govuk_prototype_kit,joelanman/govuk_prototype_kit,joelanman/govuk_prototype_kit,benjeffreys/hmcts-idam-proto,joelanman/govuk_prototype_kit,dwpdigitaltech/hrt-prototype,benjeffreys/hmcts-idam-proto,dwpdigitaltech/hrt-prototype,alphagov/govuk_prototype_kit,dwpdigitaltech/hrt-prototype,alphagov/govuk_prototype_kit,alphagov/govuk_prototype_kit,gavinwye/govuk_prototype_kit