CI does not detect launcher installer build failure

[zooba]

BPO	47032
Nosy	@zooba, @miss-islington
PRs	bpo-47032: Ensure Windows install builds fail correctly with a non-zero exit code when part of the build fails #31921 [3.10] bpo-47032: Ensure Windows install builds fail correctly with a non-zero exit code when part of the build fails (GH-31921) #31926 [3.9] bpo-47032: Ensure Windows install builds fail correctly with a non-zero exit code when part of the build fails (GH-31921) #31927

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/zooba'
closed_at = <Date 2022-03-16.12:23:37.964>
created_at = <Date 2022-03-16.00:20:54.847>
labels = ['3.9', '3.10', '3.11']
title = 'CI does not detect launcher installer build failure'
updated_at = <Date 2022-03-16.12:23:37.963>
user = 'https://github.com/zooba'

bugs.python.org fields:

activity = <Date 2022-03-16.12:23:37.963>
actor = 'steve.dower'
assignee = 'steve.dower'
closed = True
closed_date = <Date 2022-03-16.12:23:37.964>
closer = 'steve.dower'
components = []
creation = <Date 2022-03-16.00:20:54.847>
creator = 'steve.dower'
dependencies = []
files = []
hgrepos = []
issue_num = 47032
keywords = ['patch']
message_count = 4.0
messages = ['415308', '415315', '415318', '415319']
nosy_count = 2.0
nosy_names = ['steve.dower', 'miss-islington']
pr_nums = ['31921', '31926', '31927']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue47032'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']

[zooba]

When changes are made under the Tools/msi directory, extra tests are run in GitHub Actions to build the installer.

Apparently, these tests do not fail when the launcher installer fails to build. They need to.

[zooba]

New changeset 7c77652 by Steve Dower in branch 'main':
bpo-47032: Ensure Windows install builds fail correctly with a non-zero exit code when part of the build fails (GH-31921)
7c77652

[miss-islington]

New changeset 04fdbb4 by Steve Dower in branch '3.10':
[3.10] bpo-47032: Ensure Windows install builds fail correctly with a non-zero exit code when part of the build fails (GH-31921) (GH-31926)
04fdbb4

[miss-islington]

New changeset ad6ddd8 by Steve Dower in branch '3.9':
[3.9] bpo-47032: Ensure Windows install builds fail correctly with a non-zero exit code when part of the build fails (GH-31921) (GH-31927)
ad6ddd8