Bump exposed-core from 0.25.1 to 0.28.1

Bumps exposed-core from 0.25.1 to 0.28.1.

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle.kts

@@ -32,7 +32,7 @@ dependencies {
 
     // Database
     implementation("com.zaxxer:HikariCP:3.4.5")
-    implementation("org.jetbrains.exposed:exposed-core:0.25.1")
+    implementation("org.jetbrains.exposed:exposed-core:0.28.1")
     implementation("org.jetbrains.exposed:exposed-dao:0.25.1")
     implementation("org.jetbrains.exposed:exposed-jdbc:0.25.1")
     implementation("org.postgresql:postgresql:42.2.18")