Release version 0.17.1 (#615)

Prepare release 0.17.1

Co-authored-by: eclipse-edc-bot <edc-bot@eclipse.org>

Author: github-actions[bot]

gradle.properties

@@ -1,2 +1,2 @@
 group=org.eclipse.edc
-version=0.18.0-SNAPSHOT
+version=0.17.1

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ format.version = "1.1"
 [versions]
 awaitility = "4.3.0"
 dataplane-sdk = "0.0.10-SNAPSHOT"
-edc = "0.18.0-SNAPSHOT"
+edc = "0.17.1"
 edc-build = "1.5.2"
 jackson = "2.21.3"
 jakarta-json = "2.1.3"