Fix crash when specify invalid base for RR and RIF construction

[user202729]

As in the title.

Note that currently ZZ(str, base=int) only support 2 to 36. Should this be changed for consistency?

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• The title is concise and informative.
• The description explains in detail what this PR is about.
• I have linked a relevant issue or discussion.
• I have created tests covering the changes.
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⌛ Dependencies

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The test on Conda (Mac) fails with

2024-11-19T04:02:36.0696760Z ./bootstrap: line 142: aclocal: command not found
2024-11-19T04:02:36.0697900Z Bootstrap failed. Either install autotools; or run bootstrap with
2024-11-19T04:02:36.0698610Z the -d option to download the auto-generated files instead.

Looks unrelated.

Another one (Ubuntu 3.9) is

2024-11-19T04:26:04.0471925Z **********************************************************************
2024-11-19T04:26:04.0591101Z File "src/sage/plot/plot.py", line 1857, in sage.plot.plot.plot
2024-11-19T04:26:04.0591946Z Failed example:
2024-11-19T04:26:04.0592761Z     plot(f, (x, -3.5, 3.5), detect_poles='show', exclude=[-3..3],
2024-11-19T04:26:04.0593588Z          ymin=-5, ymax=5)
2024-11-19T04:26:04.0594061Z Expected:
2024-11-19T04:26:04.0649808Z     Graphics object consisting of 12 graphics primitives
2024-11-19T04:26:04.0650471Z Got:
2024-11-19T04:26:04.1009273Z     Graphics object consisting of 13 graphics primitives
2024-11-19T04:26:26.6704957Z **********************************************************************

Also looks unrelated. Reported in #39002.

[github-actions]

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