Adding wrangler commands for R2 bucket lock rule configuration (#7977)

* Adding wrangler commands for R2 bucket lock rule configuration

* R2-2612: addressing feedback and adding tests

* R2-2612: updating lock date/days to retention date/days and explicitly making retention required instead of indefinite being implied

Author: jkoe-cf

.changeset/blue-foxes-notice.md

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+"wrangler": minor
+---
+
+Added wrangler r2 commands for bucket lock configuration

.changeset/weak-chairs-tap.md

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+---
+"wrangler": patch
+---
+
+fixing the format of the R2 lifecycle rule date input to be parsed as string instead of number