Update versions (#151)

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

README.md

@@ -14,7 +14,7 @@ Add it as a dependency to your Gradle project:
 
 ```kotlin
 dependencies {
-    modImplementation("net.fabricmc:fabric-language-kotlin:1.12.2+kotlin.2.0.20")
+    modImplementation("net.fabricmc:fabric-language-kotlin:1.12.2+kotlin.2.0.21")
 }
 ```
 
@@ -35,7 +35,7 @@ Remember to the add a dependency entry to your `fabric.mod.json` file:
         ]
     },
     "depends": {
-        "fabric-language-kotlin": ">=1.12.2+kotlin.2.0.20"
+        "fabric-language-kotlin": ">=1.12.2+kotlin.2.0.21"
     }
 }
 ```
@@ -236,15 +236,15 @@ Companion objects can be used by appending `$Companion` to the class.
 ## Bundled libraries
 
 `org.jetbrains.kotlin` namespace:
-- **`kotlin-stdlib`** 2.0.20 [Docs](https://kotlinlang.org/docs/home.html), [API docs](https://kotlinlang.org/api/latest/jvm/stdlib/), [GitHub](https://github.com/JetBrains/kotlin)
-- **`kotlin-reflect`** 2.0.20 [Docs](https://kotlinlang.org/docs/reflection.html), [API docs](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.reflect/)
+- **`kotlin-stdlib`** 2.0.21 [Docs](https://kotlinlang.org/docs/home.html), [API docs](https://kotlinlang.org/api/latest/jvm/stdlib/), [GitHub](https://github.com/JetBrains/kotlin)
+- **`kotlin-reflect`** 2.0.21 [Docs](https://kotlinlang.org/docs/reflection.html), [API docs](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.reflect/)
 
 `org.jetbrains.kotlinx` namespace:
 - **`kotlinx-coroutines-core`** 1.9.0 [Guide](https://kotlinlang.org/docs/coroutines-guide.html), [API docs](https://kotlin.github.io/kotlinx.coroutines/), [GitHub](https://github.com/Kotlin/kotlinx.coroutines)
 - **`kotlinx-coroutines-jdk8`** 1.9.0 [API docs](https://kotlin.github.io/kotlinx.coroutines/kotlinx-coroutines-jdk8/index.html)
-- **`kotlinx-serialization-core`** 1.7.2 [Guide](https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serialization-guide.md), [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-core/index.html), [GitHub](https://github.com/Kotlin/kotlinx.serialization)
-- **`kotlinx-serialization-json`** 1.7.2 [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-json/index.html)
-- **`kotlinx-serialization-cbor`** 1.7.2 [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-cbor/index.html)
+- **`kotlinx-serialization-core`** 1.7.3 [Guide](https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serialization-guide.md), [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-core/index.html), [GitHub](https://github.com/Kotlin/kotlinx.serialization)
+- **`kotlinx-serialization-json`** 1.7.3 [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-json/index.html)
+- **`kotlinx-serialization-cbor`** 1.7.3 [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-cbor/index.html)
 - **`atomicfu`** 0.25.0 [GitHub](https://github.com/Kotlin/kotlinx.atomicfu)
 - **`kotlinx-datetime`** 0.6.1 [GitHub](https://github.com/Kotlin/kotlinx-datetime)
 - **`kotlinx-io-core`** 0.5.4 [API docs](https://kotlin.github.io/kotlinx-io/kotlinx-io-core/index.html), [GitHub](https://github.com/Kotlin/kotlinx-io)

generated/kotlin_version.txt

@@ -1 +1 @@
-2.0.20
+2.0.21

generated/library_versions.json

@@ -1,14 +1,14 @@
 {
-    "org.jetbrains.kotlin:kotlin-stdlib": "2.0.20",
-    "org.jetbrains.kotlin:kotlin-stdlib-jdk8": "2.0.20",
-    "org.jetbrains.kotlin:kotlin-stdlib-jdk7": "2.0.20",
-    "org.jetbrains.kotlin:kotlin-reflect": "2.0.20",
+    "org.jetbrains.kotlin:kotlin-stdlib": "2.0.21",
+    "org.jetbrains.kotlin:kotlin-stdlib-jdk8": "2.0.21",
+    "org.jetbrains.kotlin:kotlin-stdlib-jdk7": "2.0.21",
+    "org.jetbrains.kotlin:kotlin-reflect": "2.0.21",
     "org.jetbrains.kotlinx:kotlinx-coroutines-core": "1.9.0",
     "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm": "1.9.0",
     "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8": "1.9.0",
-    "org.jetbrains.kotlinx:kotlinx-serialization-core-jvm": "1.7.2",
-    "org.jetbrains.kotlinx:kotlinx-serialization-json-jvm": "1.7.2",
-    "org.jetbrains.kotlinx:kotlinx-serialization-cbor-jvm": "1.7.2",
+    "org.jetbrains.kotlinx:kotlinx-serialization-core-jvm": "1.7.3",
+    "org.jetbrains.kotlinx:kotlinx-serialization-json-jvm": "1.7.3",
+    "org.jetbrains.kotlinx:kotlinx-serialization-cbor-jvm": "1.7.3",
     "org.jetbrains.kotlinx:atomicfu-jvm": "0.25.0",
     "org.jetbrains.kotlinx:kotlinx-datetime-jvm": "0.6.1",
     "org.jetbrains.kotlinx:kotlinx-io-core-jvm": "0.5.4",