Update phase banner and tag classnames
Update phase banner and tag classnames

Since we’re encouraging cutting and pasting from elements for
prototyping, update this classname to match the one used in the GOV.UK
elements phase banner snippet.

dwpdigitaltech/digital-debt,arminio/govuk_prototype_kit,OrcaTom/dwp_contentpatterns,gup-dwp/pip-prototype-v2,alphagov/govuk_prototype_kit,davedark/proto-timeline,dwpdigitaltech/ejs-prototype,chrishanes/pvb_prisoner_proto,nhsbsa/ppc-prototype,nhsbsa/ppc-prototype,benjeffreys/hmcts-idam-proto,benjeffreys/hmcts-idam-proto,samwake/hoddat-cofc-caseworking,DilwoarH/GDS-Prototype-DM-SavedSearch,abbott567/govuk_prototype_kit,gavinwye/govuk_prototype_kit,Demwunz/esif-prototype,dwpdigitaltech/digital-debt,BucksCountyCouncil/verify-local-patterns,samwake/hoddat-cofc-caseworking,samwake/hoddat-cofc-caseworking,timpaul/GOVUKCountrySelector,nhsbsa/ppc-prototype,BucksCountyCouncil/verify-local-patterns,rivalee/local-gov-links,hannalaakso/accessible-timeout-warning,quis/notify-public-research-prototype,dwpdigitaltech/hrt-prototype,alphagov/govuk_prototype_kit,companieshouse/ch-accounts-prototype,dwpdigitaltech/hrt-prototype,DilwoarH/GDS-Prototype-DM-SavedSearch,joelanman/govuk_prototype_kit,karlparton/my-govuk,gup-dwp/pip-prototype-v2,LandRegistry/dmp-prototype,alphagov/govuk_prototype_kit,OrcaTom/dwp_contentpatterns,glancyea/tagtest,arminio/govuk_prototype_kit,tsmorgan/marx,rivalee/local-gov-links,joelanman/govuk_prototype_kit,LandRegistry/dmp-prototype,hannalaakso/accessible-timeout-warning,abbott567/govuk_prototype_kit,timpaul/GOVUKCountrySelector,companieshouse/ch-accounts-prototype,davedark/proto-timeline,paulpod/invgov,quis/notify-public-research-prototype,danblundell/verify-local-patterns,paulpod/invgov,danblundell/verify-local-patterns,dwpdigitaltech/ejs-prototype,danblundell/verify-local-patterns,DilwoarH/GDS-Prototype-DM-SavedSearch,gup-dwp/pip-prototype-v2,kenmaddison-scc/verify-local-patterns,tsmorgan/marx,dwpdigitaltech/ejs-prototype,karlparton/my-govuk,BucksCountyCouncil/verify-local-patterns,quis/notify-public-research-prototype,Demwunz/esif-prototype,Demwunz/esif-prototype,abbott567/govuk_prototype_kit,glancyea/tagtest,kenmaddison-scc/verify-local-patterns,dwpdigitaltech/hrt-prototype,chrishanes/pvb_prisoner_proto,kenmaddison-scc/verify-local-patterns,karlparton/my-govuk,gavinwye/govuk_prototype_kit,arminio/govuk_prototype_kit,benjeffreys/hmcts-idam-proto,dwpdigitaltech/digital-debt,joelanman/govuk_prototype_kit,chrishanes/pvb_prisoner_proto,glancyea/tagtest,hannalaakso/accessible-timeout-warning,paulpod/invgov,tsmorgan/marx,OrcaTom/dwp_contentpatterns,LandRegistry/dmp-prototype,davedark/proto-timeline