Antony Chazapis

Since Helm does not provide riscv64 binaries yet, I use a separate `Dockerfile` that builds from source. I have already submitted a [PR to Helm for releasing a RISC-V binary](https://github.com/helm/helm/pull/12204)....

Add support for RISC-V

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#### Proposed Changes #### Add support for the RISC-V architecture #### Types of Changes #### Add the architecture to the scripts involved in building and packaging K3s; no code changes....