Fix computed updated despite no dependencies having changed

[marvinhagemeister]

Fixes #124

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🦋 Changeset detected

Latest commit: e187b63

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@preact/signals-core	Patch

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[github-actions]

Size Change: +340 B (+1%)

Total Size: 66 kB

Filename	Size	Change
docs/dist/assets/client.********.js	45.8 kB	+1 B (0%)
docs/dist/assets/index.********.js	1.08 kB	+240 B (+29%)	🚨
docs/dist/assets/signals-core.module.********.js	971 B	+39 B (+4%)
docs/dist/assets/signals.module.********.js	1.95 kB	-1 B (0%)
docs/dist/basic-********.js	245 B	+1 B (0%)
docs/dist/demos-********.js	3.35 kB	+1 B (0%)
docs/dist/nesting-********.js	1.13 kB	+1 B (0%)
docs/dist/react-********.js	239 B	+1 B (0%)
packages/core/dist/signals-core.js	1.01 kB	+30 B (+3%)
packages/core/dist/signals-core.mjs	815 B	+27 B (+3%)

ℹ️ View Unchanged

Filename	Size
docs/dist/assets/jsxRuntime.module.********.js	282 B
docs/dist/assets/preact.module.********.js	4 kB
docs/dist/assets/style.********.js	21 B
docs/dist/assets/style.********.css	1.21 kB
packages/preact/dist/signals.js	1.12 kB
packages/preact/dist/signals.mjs	1.11 kB
packages/react/dist/signals.js	831 B
packages/react/dist/signals.mjs	791 B

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