Bump buildpacks/github-actions from 5.7.2 to 5.7.3 #845

Job	Run time
Rust Code Linting	29s
Unit Tests	26s
Integration Tests (buildpacks/gradle, builder:24, amd64)	3m 3s
Integration Tests (buildpacks/jvm, builder:24, amd64)	2m 7s
Integration Tests (buildpacks/maven, builder:24, amd64)	3m 30s
Integration Tests (buildpacks/sbt, builder:24, amd64)	5m 26s
Integration Tests (buildpacks/gradle, builder:24, arm64)	3m 16s
Integration Tests (buildpacks/jvm, builder:24, arm64)	2m 32s
Integration Tests (buildpacks/maven, builder:24, arm64)	4m 10s
Integration Tests (buildpacks/sbt, builder:24, arm64)	6m 32s
Integration Tests (buildpacks/gradle, builder:22, amd64)	3m 0s
Integration Tests (buildpacks/jvm, builder:22, amd64)	1m 38s
Integration Tests (buildpacks/jvm-function-invoker, builder:22, amd64)	2m 10s
Integration Tests (buildpacks/maven, builder:22, amd64)	3m 29s
Integration Tests (buildpacks/sbt, builder:22, amd64)	5m 11s
Integration Tests (buildpacks/gradle, builder:20, amd64)	2m 55s
Integration Tests (buildpacks/jvm, builder:20, amd64)	2m 9s
Integration Tests (buildpacks/maven, builder:20, amd64)	3m 4s
Integration Tests (buildpacks/sbt, builder:20, amd64)	4m 59s
	1h 0m 6s

Provide feedback