fix(deps): update springdoc to v2.8.4 (#1144)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ hamcrest = "3.0"
 mockk = "1.13.16"
 kotlin-compile-testing = "0.7.0"
 swagger = "2.2.28"
-springdoc = "2.8.3"
+springdoc = "2.8.4"
 jte = "3.1.16"
 # plugins
 test-retry = "1.6.1"