ppm: Update ppm submodule to commit a2ade745bfbc5f

[DeeDeeG]

Context

This is a re-do of #712, to include a newer node-gyp version that should fix an issue with code-signing the Pulsar app on macOS.

For purposes of auto-closing the old ppm bump PR if this merges: This PR resolves #712.

How to do this kind of update:

When the changes you want are live at the default branch of ppm repo (https://github.com/pulsar-edit/ppm), run the following command in the root of the core repo to update the ppm submodule in the core repo:

git submodule update --remote ppm.

Summary of Changes

Includes a lot of decaf work from multiple contributors, migrates from first-mate dependency to second-mate, a small code refactor, a Windows postinstall script fix, and switching to our fork of npm 6 that includes node-gyp 9.x.

Specifically with regard to node-gyp, and this is updated since #712, we are now on the latest node-gyp commit from node-gyp's default main branch. This includes a fix for some unforeseen consequences of a change I authored in node-gyp. The change in question that caused the code signing issues in macOS: nodejs/node-gyp@b9ddcd5.

So, ppm bumped node-gyp to the latest commit from node-gyp repo's main branch, currently nodejs/node-gyp@d3615c6.

This includes a fix for better compatibility with app signing on macOS (nodejs/node-gyp@0f1f667). Hopefully it works! 🤞

Includes the following PR's from ppm repo:

• Decaffeinate spec helper (updated) ppm#63
• Decaffeinate apm cli spec ppm#64
• Decaffeinate ci spec ppm#65
• Decaffeinate clean spec ppm#66
• Decaffeinate command spec ppm#67
• Decaffeinate config spec ppm#68
• Decaffeinate develop spec ppm#69
• Decaffeinate disable spec ppm#70
• Decaffeinate docs spec ppm#71
• Decaffeinate enable spec ppm#72
• Decaffeinate featured spec ppm#73
• Decaffeinate help spec ppm#74
• Decaffeinate init spec ppm#75
• Decaffeinate install spec ppm#76
• Decaffeinate link spec ppm#77
• Decaffeinate remaining spec files from list-spec on ppm#78
• Switch to our npm fork, to get newer node-gyp (node-gyp 9.x) ppm#79
• [ Note: PR 80 was already included in the previous ppm bump for this core repo ]
• Move Spec Decaf PRs into master ppm#81
• [ Note: PR 82 was for CI testing only, and was closed without ever intending to be merged ]
• Make postinstall scripts work on Windows with spaces in cwd path ppm#83
• Decaf Source ppm#84
• Cleanup visualStudioIsInstalled() ppm#85
• Migrate to second-mate and remove first-mate ppm#86
• [ Note: 87 and 88 are open PRs. 89 is an open issue. ]
• Update unpublishing wording ppm#90
• [ Note: Skip update checks for bundled packages ppm#91 was reverted in Revert "Skip update checks for bundled packages" ppm#96 ]
• Remove remnants of Coffeescript building ppm#92
• [ Note: 93 is a closed PR ]
• Update npm and node-gyp, for macOS signing fix ppm#94

Verification process

• CI passes
  • (Particularly the macOS signing part of the "build Pulsar binaries" workflow, which is fixed, new since ppm: Update submodule to de6a852bd101e388b61fe67b5 #712. This is passing now. ✅)

[confused-Techie]

LGTM! I was the one merging or authoring many of these changes here, lets get it into core!

[DeeDeeG]

The macOS signing bit of the "build Pulsar binaries" CI workflow seems to be happy with this change.

(Still investigating why my computer doesn't like Pulsar's signed binaries lately, but this does appear to be signed. 🤷).

Good enough for me.

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Thank you for the review, merging!