Handle possible overflows in StringArrayBuilder / LargeStringArrayBuilder #13802
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… valid for MutableBuffer
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Which issue does this PR close?
Closes #13796
Rationale for this change
We identified a potential code vulnerability during a security audit at InfluxData.
What changes are included in this PR?
Make overflow a panic.
Are these changes tested?
yes
Are there any user-facing changes?
no