deps: update org.springframework:spring-core to v6.2.8

Author: renovate[bot]

gradle/libs.versions.toml

@@ -64,7 +64,7 @@ saxonHe = "12.7"
 scanoss = "0.11.0"
 semver4j = "5.7.1"
 slf4j = "2.0.17"
-springCore = "6.2.7"
+springCore = "6.2.8"
 svnkit = "1.10.12"
 sw360Client = "19.0.0"
 tika = "3.2.0"