gjs: update to 1.54.3

[evanmiller]

Description

This update:

• Upgrades gjs version from 1.52.5 to 1.54.3
• Bumps the mozjs dependency to mozjs60
• Removes the obsolete compiler blacklist

Originally this PR included PowerPC support requiring #12186, but that change is still WIP and may not require alterations to this Portfile so I will keep it separate.

Debian's 1.52 -> 1.54 migration notes can be found here:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=906016

The conclusion of that discussion was that the included mozjs52 -> mozjs60 transition does not require a soname bump, so the reverse dependents should not require a rebuild.

Type(s)

• bugfix
• enhancement
• security fix

Tested on

macOS 10.4.11 8S165 Power Macintosh
Component versions: DevToolsCore-798.0; DevToolsSupport-794.0

Verification

Have you

• followed our Commit Message Guidelines?
• squashed and minimized your commits?
• checked that there aren't other open pull requests for the same change?
• referenced existing tickets on Trac with full URL?
• checked your Portfile with port lint?
• tried existing tests with sudo port test?
• tried a full install with sudo port -vst install?
• tested basic functionality of all binary files?

[macportsbot]

Notifying maintainers:
@dbevans for port gjs.

[evanmiller]

After some further experimenting I realized that the PPC support can be achieved later without #12186 being merged first – so this version bump is ready for review. (Updated description above.)

[evanmiller]

Updated to remove the earlier 32-bit patch since adding it later will not necessitate a revbump.