ci: fix invalid cache key and expire old cache #14

Job	Run time
Build Wasm	1m 55s
Build Web UI / Build Treemap WebUI	36s
Tests (ubuntu-latest, unit)	1m 17s
Tests (ubuntu-latest, integration-example)	5m 1s
Tests (ubuntu-latest, integration-real)	6m 14s
Tests (windows-latest, unit)	5m 3s
Tests (windows-latest, integration-example)	7m 8s
Tests (windows-latest, integration-real)	9m 38s
Tests (macos-13, unit)	2m 17s
Tests (macos-13, integration-example)	7m 10s
Tests (macos-13, integration-real)	7m 55s
Tests (macos-14, unit)	1m 19s
Tests (macos-14, integration-example)	4m 46s
Tests (macos-14, integration-real)	4m 36s
Tests on UI	44s
Build go-size-analyzer explorer	39s
Deploy explorer to GitHub Pages	8s
Merge Go test results (ubuntu-latest)	2m 2s
Merge Go test results (windows-latest)	2m 3s
Merge Go test results (macos-13)	2m 10s
Merge Go test results (macos-14)	2m 4s
	1h 14m 45s

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