Merge pull request docker-library#12564 from whesse/master

Update dart to 2.17.3

Author: tianon

library/dart

@@ -1,9 +1,9 @@
 Maintainers: Alexander Thomas <[email protected]> (@athomas), Tony Pujals <[email protected]> (@subfuzion)
 GitRepo: https://github.com/dart-lang/dart-docker.git
 GitFetch: refs/heads/main
-GitCommit: dec15f9f32b28803328667588e14d5c776780818
+GitCommit: 0caab181f13d901f7cf87f16a4797ce9620f6840
 
-Tags: 2.17.1-sdk, 2.17-sdk, 2-sdk, stable-sdk, sdk, 2.17.1, 2.17, 2, stable, latest
+Tags: 2.17.3-sdk, 2.17-sdk, 2-sdk, stable-sdk, sdk, 2.17.3, 2.17, 2, stable, latest
 Architectures: amd64, arm32v7, arm64v8
 Directory: stable/bullseye