[15u] RFR: 8262541: Bump update version for OpenJDK: jdk-15.0.3

[Andrew Brygin]

Hello Yuri,

 the change looks fine.

Thanks,
Andrew

On 01/03/2021 11:07, Yuri Nesterenko wrote:
> Hi,
> 
> we have several fixes presumably targeted to April release of jdk15u
> which should be 15.0.3,  so I need to bump the version.
> Release value 15.0.3 is defined in JBS.
> Expected release date is 2021-04-20
> 
> I'll push the change after hgupdater is switched to it for
>  http://hg.openjdk.java.net/jdk-updates/jdk15u/.
> 
> Webrev: http://cr.openjdk.java.net/~yan/8262541/webrev.0/
> 
> Thanks,
> --yan
>