[MM-55341][MM-56894] Use electron-builder to create the MSI installer, drop support for 32-bit Windows and the NSIS installer (#3028)

* Drop 32-bit windows support

* Remove unnecessary after build script

* Enable MSI build from electron-builder

* Copy MSI installers correctly

* Change script to `windows-installer`

* Revert "Remove unnecessary after build script"

This reverts commit 65b1cccb063656916a7d12c440792ad013dff826.

* Fix duplicate installers when updating to EXE version

* Inject the app-update.yml from the NSIS installer into the MSI, have the MSI uninstall the EXE if it exists

* Cleanup old MSI builder, switch actions to use new process

* Sign PR builds

* Update to use absolute paths

* Use env variable paths

.github/workflows/ci.yaml

@@ -114,7 +114,6 @@ jobs:
           node-gyp install
           node-gyp install --devdir="C:\Users\runneradmin\.electron-gyp" --target=$(jq -r .devDependencies.electron package.json) --dist-url="https://electronjs.org/headers"
           node-gyp install --devdir="C:\Users\runneradmin\.electron-gyp" --target=$(jq -r .devDependencies.electron package.json) --dist-url="https://electronjs.org/headers" --arch arm64
-          node-gyp install --devdir="C:\Users\runneradmin\.electron-gyp" --target=$(jq -r .devDependencies.electron package.json) --dist-url="https://electronjs.org/headers" --arch ia32
       - name: ci/install-dependencies
         if: steps.cache-node-modules.outputs.cache-hit != 'true'
         env: