[jdk8u-dev] RFR: 8284389: Improve stability of GHA Pre-submit testing by caching cygwin installer

[zzambers]

On Tue, 15 Nov 2022 09:03:18 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

>> Adds cygwin installer caching.
>> 
>> Few notes:
>> - Cache also added for windows-x86, which is not present on JDK 11.
>> - Used actions/cache at v3 (I have already done backport updating GHA actions, out of order, before this)
>
> Marked as reviewed by sgehwolf (Reviewer).

@jerboaa Thanks

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PR: https://git.openjdk.org/jdk8u-dev/pull/174