docs: fix dead link in `UPGRADING.md` (#23059) #76749

Job	Run time
split-test-files	9s
test-integration	10s
test-sim-nondeterminism	9s
test-clientv2	9s
test-core	10s
test-coretesting	9s
test-depinject	10s
test-errors	10s
test-math	9s
test-schema	9s
test-collections	9s
test-schema-testing	9s
test-collections-protocodec	10s
test-cosmovisor	8s
test-confix	9s
test-indexer-postgres	9s
test-orm	8s
test-simapp-v2	8s
test-hubl	9s
test-log	9s
test-store	8s
test-store-v2	8s
test-x-accounts	11s
test-x-accounts-base	7s
test-x-accounts-lockup	9s
test-x-accounts-multisig	9s
test-x-circuit	9s
test-x-distribution	7s
test-x-feegrant	6s
test-x-evidence	7s
test-x-gov	8s
test-x-group	8s
test-x-nft	8s
test-x-protocolpool	8s
test-x-slashing	8s
test-x-tx	7s
test-tools-benchmark	7s
test-x-upgrade	8s
test-x-authz	8s
test-x-bank	7s
test-x-epochs	8s
test-x-consensus	8s
test-x-mint	6s
test-x-staking	7s
tests	1s
repo-analysis	1s
	6m 11s

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