Adnuntius Bid Adapter: Moved EIDs to be sent over URL instead of in the body

[mikael-lundin]

We ave added the option to read all eids so this change reflects that. Moved from being sent in the body to being sent as a url parameter.

[github-actions]

Code coverage summary

Note:

• Prebid team doesn't anticipate tests covering code paths that might result in marshal and unmarshal errors
• Coverage summary encompasses all commits leading up to the latest one, 5c544c8

adnuntius

Refer here for heat map coverage report

github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius.go:26:		Builder				100.0%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius.go:36:		MakeRequests			100.0%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius.go:40:		generateRequests		92.7%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius.go:165:		MakeBids			90.9%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius.go:191:		generateBidResponse		93.6%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius.go:282:		generateAdResponse		78.3%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius_utils.go:19:	setHeaders			100.0%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius_utils.go:35:	makeEndpointUrl			91.7%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius_utils.go:102:	getImpSizes			100.0%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius_utils.go:123:	getSiteExtAsKv			80.0%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius_utils.go:133:	getGDPR				92.9%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius_utils.go:158:	generateReturnExt		86.7%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius_utils.go:193:	generateAdUnit			100.0%
github.com/prebid/prebid-server/v3/adapters/adnuntius/adnuntius_utils.go:227:	convertMarkupTypeToBidType	75.0%
total:										(statements)			91.5%