fix(ci): run tests per-package via bun run test

Use 'bun run test' (which runs 'bun run --filter * test')
instead of 'bun test' so each package runs tests from its
own directory. Add jsxImportSource pragma to renderer files
since consumers without a JRX tsconfig also import them.

Co-authored-by: Ona <no-reply@ona.com>

packages/aelis-source-tfl/src/renderer.test.tsx

@@ -1,4 +1,4 @@
-
+/** @jsxImportSource @nym.sh/jrx */
 import { render } from "@nym.sh/jrx"
 import { describe, expect, test } from "bun:test"
 

packages/aelis-source-tfl/src/renderer.tsx

@@ -1,4 +1,4 @@
-
+/** @jsxImportSource @nym.sh/jrx */
 import type { FeedItemRenderer } from "@aelis/core"
 
 import { FeedCard, SansSerifText } from "@aelis/components"