Fix poor hash function for `chain::name` #3474

Job	Run time
Discover Versions	1s
Platform Cache / Discover Platforms	5s
Platform Cache / Build Platforms (none)	3s
Run Build Workflow / Build spring (reproducible)	7m 32s
Run Build Workflow / Build spring (ubuntu20)	8m 0s
Run Build Workflow / Build spring (ubsan)	9m 42s
Run Build Workflow / Build spring (asan)	9m 26s
Run Build Workflow / Build spring (asserton)	7m 49s
Run Build Workflow / Build spring (ubuntu22)	10m 6s
Build deb packages (ubuntu20)	9m 53s
LR Tests (ubuntu20)	24m 23s
Build deb packages (ubuntu22)	9m 44s
Tests (ubuntu20)	3m 29s
LR Tests (ubuntu22)	24m 4s
Build deb packages (reproducible)	7m 0s
NP Tests (ubuntu20)	6m 18s
LR Tests (asserton)	24m 15s
Tests (ubuntu22)	3m 15s
Tests (asserton)	3m 31s
LR Tests (ubsan)	25m 58s
NP Tests (ubuntu22)	6m 24s
Tests (ubsan)	4m 1s
NP Tests (asserton)	6m 30s
LR Tests (ubuntu20repro)	24m 3s
NP Tests (ubsan)	8m 35s
Tests (asan)	6m 33s
LR Tests (ubuntu22repro)	24m 5s
Tests (ubuntu20repro)	3m 30s
NP Tests (ubuntu20repro)	6m 21s
Tests (ubuntu22repro)	3m 23s
NP Tests (ubuntu22repro)	6m 19s
libtester tests (ubuntu22, build-tree)	7m 44s
libtester tests (ubuntu22, make-dev-install)	8m 2s
libtester tests (ubuntu22, deb-install)	4m 11s
All Required Tests Passed	1s
	5h 14m 16s

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