ci(deps): bump slackapi/slack-github-action from 3.0.1 to 3.0.3 #959

Job	Run time
formatting	33s
dead-code	30s
lint	29s
ensure-pinned-actions	6s
js-api-compatibility (20)	2m 34s
e2e-hermetic	2m 27s
js-build	2m 33s
js-smoke-discover	7s
check-typings	1m 42s
js-test (windows-latest, 20)	3m 5s
js-test (ubuntu-latest, 20)	2m 21s
JS Zod Versions (3.25.34)	2m 6s
js-test (ubuntu-latest, 22)	2m 19s
js-test (windows-latest, 22)	4m 5s
otel-js (22, otel-v2)	2m 48s
otel-js (20, otel-v1)	3m 1s
otel-js (22, otel-v1)	2m 45s
templates-nunjucks-js (22)	1m 44s
JS Zod Versions (4.2.1)	1m 59s
temporal-js (22)	1m 44s
otel-js (20, otel-v2)	2m 54s
templates-nunjucks-js (20)	1m 42s
temporal-js (20)	1m 44s
js-smoke-test (cloudflare-worker-browser-no-compat)	48s
js-smoke-test (cloudflare-vite-hono-wrangler-dev)	55s
js-smoke-test (cloudflare-vite-hono-vite-dev-node-esm)	51s
js-smoke-test (playwright-browser)	1m 28s
js-smoke-test (cloudflare-worker-node-compat)	1m 2s
js-smoke-test (cloudflare-vite-hono-vite-dev)	57s
js-smoke-test (cloudflare-worker-node-no-compat)	1m 48s
js-smoke-test (cloudflare-worker-browser-compat)	51s
js-smoke-test (templates-nunjucks/node-esm)	47s
js-smoke-test (templates-nunjucks/deno-node)	50s
js-smoke-test (templates-nunjucks/nextjs)	1m 17s
js-smoke-test (templates-nunjucks/jest)	49s
js-smoke-test (browser-main-package)	1m 5s
js-smoke-test (otel-js/otel-v1)	51s
checks-passed	3s
	59m 40s

Provide feedback