Update changelog for 0.0.16

Author: elacuesta

changelog.md

@@ -1,7 +1,7 @@
 # scrapy-playwright changelog
 
 
-### [v0.0.16](https://github.com/scrapy-plugins/scrapy-playwright/releases/tag/v0.0.16) (2022-NN-NN)
+### [v0.0.16](https://github.com/scrapy-plugins/scrapy-playwright/releases/tag/v0.0.16) (2022-05-14)
 
 * Use new headers API introduced in Playwright 1.15 (bump required Playwright version)
 * Deprecate `scrapy_playwright.headers.use_playwright_headers`, set `PLAYWRIGHT_PROCESS_REQUEST_HEADERS=None` instead