bpo-42461: show f_fsid when pring os.statvfs object

[Rethan]

Since python 3.7, f_fsid was added to os.statvfs, but it didn't show
up when print the object. So add one more field to output.

https://bugs.python.org/issue42461

[the-knights-who-say-ni]

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[github-actions]

This PR is stale because it has been open for 30 days with no activity.

[MaxwellDupre]

Works for me and a test case give right result. test_os shows
Ran 312 tests in 1.522s
OK (skipped=46)
== Tests result: SUCCESS ==
1 test OK.
Total duration: 1.7 sec
Tests result: SUCCESS
cpython on  fix-issue-42461 [$?] via 🐍 v3.11.0a5+

[Rethan]

Works for me and a test case give right result. test_os shows Ran 312 tests in 1.522s OK (skipped=46) == Tests result: SUCCESS == 1 test OK. Total duration: 1.7 sec Tests result: SUCCESS cpython on  fix-issue-42461 [$?] via 🐍 v3.11.0a5+

Thank you for reviewing.