git: openjdk/jdk: 8313701: GHA: RISC-V should use the official repository for bootstrap

[Aleksey Shipilev]

Changeset: 538f9557
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-08-07 10:48:11 +0000
URL:       https://git.openjdk.org/jdk/commit/538f9557b87f750264231f04bfbc91d15f8af8c0

8313701: GHA: RISC-V should use the official repository for bootstrap

Reviewed-by: clanger, fyang

! .github/workflows/build-cross-compile.yml