RFR: 8369246: Use https in make/devkit scripts

[Mikael Vidstedt]

On Tue, 7 Oct 2025 01:52:44 GMT, Mikael Vidstedt <mikael at openjdk.org> wrote:

> Let's switch to https for URLs in the make/devkit files, where possible.
> 
> That's most places, apart from - it turns out from empirical testing - the `fedora.riscv.rocks` (RISC-V) URL in Tools.gmk.
> 
> Testing:
> 
> * Built devkit on linux-x64
> * Verified that the JDK builds with the new devkit

Thank you for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/27663#issuecomment-3377890366