Exclude kotlin-stdlib from plugin dependencies

https://kotlinlang.org/docs/gradle.html#dependency-on-the-standard-library

Run ` diff gcpbuildcache-1.0.0.module.before gcpbuildcache-1.0.0.module.after`:

```diff
28,36d27
<       "dependencies": [
<         {
<           "group": "org.jetbrains.kotlin",
<           "module": "kotlin-stdlib",
<           "version": {
<             "requires": "2.0.21"
<           }
<         }
<       ],
109,115d99
<         },
<         {
<           "group": "org.jetbrains.kotlin",
<           "module": "kotlin-stdlib",
<           "version": {
<             "requires": "2.0.21"
<           }
```

Author: Goooler

core/build.gradle.kts

@@ -22,8 +22,6 @@ plugins {
 dependencies {
     implementation(gradleApi())
     implementation(platform(libs.okhttp.bom))
-    api(platform(libs.kotlin.bom))
-    api(libs.kotlin.stdlib)
     implementation(libs.retrofit.core)
     implementation(libs.retrofit.converter.gson)
     implementation(libs.google.gson)

gradle.properties

@@ -1,3 +1,7 @@
+# Omit automatic compile dependency on kotlin-stdlib
+# https://kotlinlang.org/docs/gradle.html#dependency-on-the-standard-library
+kotlin.stdlib.default.dependency=false
+
 org.gradle.caching=true
 org.gradle.configuration-cache=true
-org.gradle.parallel=true
+org.gradle.parallel=true

gradle/libs.versions.toml

@@ -10,8 +10,6 @@ protobuf = "3.25.1"
 okhttp-bom = "4.12.0"
 
 [libraries]
-kotlin-bom = { group = "org.jetbrains.kotlin", name = "kotlin-bom", version.ref = "kotlin" }
-kotlin-stdlib = { group = "org.jetbrains.kotlin", name = "kotlin-stdlib-jdk8", version.ref = "kotlin" }
 amazon-bom = { group = "software.amazon.awssdk", name = "bom", version.ref = "amazon-bom" }
 amazon-s3 = { group = "software.amazon.awssdk", name = "s3" }
 amazon-sso = { group = "software.amazon.awssdk", name = "sso" }