GH-121634: have wasi.py accept the host target triple as an argument

[brettcannon]

• Issue: Test the wasm32-wasip2 target triple #121634

[miss-islington-app]

Thanks @brettcannon for the PR 🌮🎉.. I'm working now to backport this PR to: 3.13.
🐍🍒⛏🤖

[bedevere-app]

GH-123042 is a backport of this pull request to the 3.13 branch.

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x RHEL9 3.x has failed when building commit b15b81e.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#builders/1565/builds/112) and take a look at the build logs.
4. Check if the failure is related to this commit (b15b81e) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#builders/1565/builds/112

Failed tests:

• test_socket
• test_smtplib

Failed subtests:

• test_with_statement - test.test_smtplib.SMTPSimTests.test_with_statement
• test_idna - test.test_socket.GeneralModuleTests.test_idna

Summary of the results of the build (if available):

==

Click to see traceback logs

Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel-z/build/Lib/test/test_smtplib.py", line 1233, in test_with_statement
    code, message = smtp.noop()
                    ~~~~~~~~~^^
  File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel-z/build/Lib/smtplib.py", line 523, in noop
    return self.docmd("noop")
           ~~~~~~~~~~^^^^^^^^
  File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel-z/build/Lib/smtplib.py", line 430, in docmd
    return self.getreply()
           ~~~~~~~~~~~~~^^
  File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel-z/build/Lib/smtplib.py", line 403, in getreply
    raise SMTPServerDisconnected("Connection unexpectedly closed")
smtplib.SMTPServerDisconnected: Connection unexpectedly closed


Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel-z/build/Lib/test/test_socket.py", line 1718, in test_idna
    socket.gethostbyname_ex(domain)
    ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^
socket.gaierror: [Errno -2] Name or service not known


Traceback (most recent call last):
  File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel-z/build/Lib/test/test_socket.py", line 1717, in test_idna
    socket.gethostbyname(domain)
    ~~~~~~~~~~~~~~~~~~~~^^^^^^^^
socket.gaierror: [Errno -2] Name or service not known