RFR: 8293107: GHA: Bump to Ubuntu 22.04 [v3]

Wed Aug 31 14:58:09 UTC 2022

On Wed, 31 Aug 2022 09:57:15 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> WIP, depends on #10083.
>> 
>> At this point, we can switch to Ubuntu 22.04 as the base for GHA runners. GHA would switch `ubuntu-latest` soon:
>>  https://github.blog/changelog/2022-08-09-github-actions-ubuntu-22-04-is-now-generally-available-on-github-hosted-runners/
>> 
>> This gives us several benefits:
>>   - we can expect that the availability of 20.04 runners would decline in future, while 22.04 enabled runners would become more available;
>>   - toolchains would now include GCC 11;
>>   - RISC-V cross-builds would become available; 
>> 
>> Additional testing:
>>  - [ ] GHA
>
> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Also update base image for debootstrap-ed sysroots

Marked as reviewed by ihse (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/10084