version: check for both cases in suffix

[EricFromCanada]

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version.rb currently checks for both cases of "rc" in version number suffixes, but only lowercase "p". This adds uppercase "P" to the list, allowing it to properly parse versions like 4.4.2-P1, which is the current release of isc-dhcp.

[BrewTestBot]

Review period will end on 2021-07-15 at 01:56:22 UTC.

[BrewTestBot]

Review period ended.