refactor: replace rollup with tsc for browser package builds

[layershifter]

Note

Depends on #774

Summary

• Replace rollup with dual tsc configs (ESM + CJS) for core, react, shadow-dom, and style-types
• Each package gets a tsconfig.lib.cjs.json that emits CJS to dist/cjs/ using module: "node16"
• Explicit build targets in project.json run both ESM and CJS tsc builds
• Remove @nx/rollup/plugin from nx.json

Test plan

• nx run-many -t type-check passes
• nx run-many -t build passes (both ESM and CJS output verified)
• nx run-many -t test passes (including e2e-nextjs and e2e-rspack)
• nx run-many -t lint passes

🤖 Generated with Claude Code

[github-actions]

📊 Bundle size report

Package & Exports	Baseline (minified/GZIP)	PR	Change
@griffel/core __styles (makeStyles)	1.696 kB 817 B	1.724 kB 836 B	28 B 19 B
@griffel/core makeResetStyles (runtime)	16.524 kB 6.218 kB	16.719 kB 6.32 kB	195 B 102 B
@griffel/core makeStyles (runtime)	25.006 kB 8.819 kB	24.954 kB 8.835 kB	-52 B 16 B
@griffel/core mergeClasses	1.831 kB 880 B	1.859 kB 902 B	28 B 22 B
@griffel/core shorthands.padding()	4.781 kB 1.537 kB	4.678 kB 1.52 kB	-103 B -17 B
@griffel/react __css	1.698 kB 797 B	1.726 kB 818 B	28 B 21 B
@griffel/react __styles	4.307 kB 1.859 kB	4.478 kB 1.953 kB	171 B 94 B
@griffel/react makeResetStyles (runtime)	19.179 kB 7.242 kB	19.508 kB 7.403 kB	329 B 161 B
@griffel/react makeStaticStyles (runtime)	9.898 kB 4.286 kB	10.223 kB 4.448 kB	325 B 162 B
@griffel/react makeStyles (runtime)	27.676 kB 9.819 kB	27.767 kB 9.89 kB	91 B 71 B
@griffel/shadow-dom createShadowDOMRenderer	4.309 kB 1.741 kB	4.619 kB 1.927 kB	310 B 186 B

Unchanged fixtures

Package & Exports	Size (minified/GZIP)
@griffel/core __resetStyles (makeResetStyles)	273 B 197 B

_{🤖 This report was generated against f422dee59ffc7ad2f4e5396def5dae5c9785cf24}