[jdk21u] RFR: 8284772: GHA: Use GCC Major Version Dependencies Only

[Andrew John Hughes]

On Mon, 28 Aug 2023 12:56:35 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

> This keeps 21u in sync with 8u, 11u, 17u & trunk where the minor version check has either been removed or (in the case of 17u) proposed for removal.
> 
> This pull request contains a clean backport of commit [7e843c22](https://github.com/openjdk/jdk/commit/7e843c22e718ad17e0ea7223f10a26fb62477157) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Andrew John Hughes on 23 Aug 2023 and was reviewed by Julian Waters, Aleksey Shipilev, Thomas Stuefe, Erik Joelsson and Sergey Bylokhov.

I see `jdk21u-fix-yes`

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PR Comment: https://git.openjdk.org/jdk21u/pull/111#issuecomment-1696676050