Update dependency prebid/prebid-server-java to v3.20.0

[renovate]

This PR contains the following updates:

Package	Update	Change
prebid/prebid-server-java	minor	3.19.0 -> 3.20.0

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Release Notes

prebid/prebid-server-java (prebid/prebid-server-java)

v3.20.0

Compare Source

What’s Changed

• Core: Support testing the USGen privacy module (#​3695)
• Docs: Document multiple UIDS cookie property (#​3723)
• GitHub: Update code-path-changes.yml (#​3713)

Vendor-Specific Updates

• Yieldlab: Forward consent under param gdpr_consent (#​3720)
• Insticator: fix video validation logic (#​3724)
• Vrtcal: ORTB 2.6 support (#​3721)
• Criteo: Add pubid/uid fields (#​3714)
• SmartHub: update to Attekmi (#​3699)
• Greenbids: Add account level config for modules RTD, analytics (#​3596)

Contributors

@​AntoxaAntoxic, @​EvgeniiMunin, @​Net-burst, @​bretg and @​kim-ng93

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