Add stable-rc tags to the docker images #2109

Job	Run time
preflight / preflight	51s
preflight / ci-versions	57s
test-full-crypto-feature	2m 37s
test-node-metrics	8m 25s
cargo-check-all-crate-macos	10m 38s
cargo-check-each-crate (1)	16m 24s
cargo-check-each-crate (2)	17m 51s
cargo-check-benches (master)	26m 51s
cargo-check-each-crate (3)	5m 30s
test-frame-ui	25m 48s
cargo-check-benches (current)	26m 57s
cargo-check-each-crate (4)	14m 40s
cargo-check-each-crate (5)	22m 21s
cargo-check-each-crate (6)	12m 19s
cargo-check-each-crate (7)	24m 12s
test-frame-examples-compile-to-wasm	2m 56s
test-deterministic-wasm	6m 21s
check-tracing	2m 20s
check-metadata-hash	5m 54s
node-bench-regression-guard	13s
All test misc tests passed	1s
	3h 54m 6s

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