chore: Configure Renovate #1

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Jade wants to merge 1 commit from renovate/configure into master

Author	SHA1	Message	Date
Renovate	e1aacd2e1e	Add renovate.json Some checks failed CI / test (ubuntu-latest, beta) (pull_request) Failing after 1s Details CI / test (ubuntu-latest, nightly) (pull_request) Failing after 1s Details CI / test (ubuntu-latest, stable) (pull_request) Failing after 1s Details CI / msrv (pull_request) Failing after 1s Details CI / security_audit (pull_request) Failing after 1s Details CI / clippy (pull_request) Failing after 16s Details CI / fmt (pull_request) Failing after 14s Details	2025-09-09 23:10:43 +01:00