9.3.9

What's Changed

• chore: upgrade servlet-api to 6.0.0 by @ZheSun88 in #1857
• chore: simplify spring dependency management by @ZheSun88 in #1855
• fix: Wait for page load complete in waitForVaadin by @TatuLund in #1862
• chore: deprecate getAttribute by @tepi in #1865
• chore: upgrade license-checker to 1.13.4 by @vaadin-bot in #1867
• Added tester for RouterLink. by @joelpop in #1810
• chore: update Quarkus version to version used by Vaadin extension by @mcollovati in #1871

Full Changelog: 9.3.8...9.3.9