Bump io.github.malczuuu.problem4j:problem4j-core from 1.1.0 to 1.1.1 (#4)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 jetbrains-annotations = "26.0.2-1"
-problem4j-core = "1.1.0"
+problem4j-core = "1.1.1"
 problem4j-jackson = "1.1.0"
 spring-boot = "3.5.7"