zig: make throw use JSError

[nektro]

progress towards #15141

[robobun]

❌ @nektro, your commit 407b0d7 has 14 failures in #7163:

test/js/bun/http/bun-serve-static.test.ts - timeout on 🐧 3.20 x64-baseline

test/regression/issue/09041.test.ts - 1 failing on 🐧 3.20 x64-baseline

test/js/node/test/parallel/worker-nested-uncaught.test.js - segmentation fault on 🐧 3.20 x64-baseline

test/js/node/test/parallel/worker-nested-uncaught.test.js - segmentation fault on 🐧 3.20 x64

test/integration/next-pages/test/dev-server.test.ts - 1 failing on 🐧 3.20 x64-baseline

test/integration/next-pages/test/dev-server.test.ts - 1 failing on 🐧 3.20 x64

test/v8/v8.test.ts - 22 failing on 🐧 3.20 aarch64

test/v8/v8.test.ts - 22 failing on 🐧 3.20 x64

test/v8/v8.test.ts - 22 failing on 🐧 3.20 x64-baseline

test/js/node/util/test-aborted.test.ts - 1 failing on 🐧 20.04 x64-baseline

test/cli/install/registry/bun-install-registry.test.ts - timeout on 🐧 11 x64-baseline

test/cli/install/registry/bun-install-registry.test.ts - 1 failing on 🐧 3.20 x64-baseline

test/js/node/child_process/child_process.test.ts - 1 failing on 🐧 3.20 aarch64

test/js/node/child_process/child_process.test.ts - 1 failing on 🐧 3.20 x64

test/js/node/child_process/child_process.test.ts - 1 failing on 🐧 3.20 x64-baseline

test/js/bun/http/serve.test.ts - SIGTRAP on 🐧 3.20 aarch64

test/js/bun/http/serve.test.ts - SIGILL on 🐧 3.20 x64

test/js/bun/http/serve.test.ts - SIGILL on 🐧 3.20 x64-baseline

test/integration/next-pages/test/next-build.test.ts - 1 failing on 🐧 22.04 x64

test/js/node/test/parallel/fs-watch-recursive-linux-parallel-remove.test.js - 1 failing on 🐧 12 x64-baseline

test/js/node/test/parallel/fs-watch-recursive-linux-parallel-remove.test.js - 1 failing on 🐧 22.04 x64-baseline

test/js/node/test/parallel/fs-watch-recursive-linux-parallel-remove.test.js - 1 failing on 🐧 22.04 x64

test/js/node/test/parallel/fs-watch-recursive-linux-parallel-remove.test.js - 1 failing on 🐧 3.20 aarch64

test/js/node/test/parallel/fs-watch-recursive-linux-parallel-remove.test.js - 1 failing on 🐧 3.20 x64

test/js/node/test/parallel/fs-watch-recursive-linux-parallel-remove.test.js - 1 failing on 🐧 3.20 x64-baseline

test/js/bun/util/filesink.test.ts - 1 failing on 🐧 22.04 aarch64

test/cli/hot/hot.test.ts - timeout on 🐧 22.04 aarch64

test/cli/hot/hot.test.ts - timeout on 🐧 11 x64-baseline

test/cli/hot/hot.test.ts - timeout on 🐧 22.04 x64

test/cli/hot/hot.test.ts - timeout on 🐧 3.20 x64

test/cli/hot/hot.test.ts - timeout on 🐧 3.20 x64-baseline

test/bake/dev/esm.test.ts - 1 failing on 🐧 22.04 aarch64

[Jarred-Sumner]

Per IRL discussion, this should be done via bindings generator instead of manually changing each call site to use try

[Jarred-Sumner]

Jsut the ones involving .get() and the like should be done via bindings generator