chore(codegen): move invocation of task project outside of execution time

https://discuss.gradle.org/t/warning-when-accessing-project-in-gradle-8-12/50221

Author: trivikr

codegen/sdk-codegen/build.gradle.kts

@@ -72,11 +72,12 @@ val buildSdk = tasks.register<SmithyBuildTask>("buildSdk") {
 // JSON file found in aws-models/. The generated smithy-build.json file is
 // not committed to git since it's rebuilt each time codegen is performed.
 val generateSmithyBuild = tasks.register("generate-smithy-build") {
+    val clientNameProp: String? by project
+    val modelsDirProp: String by project
+    val models = project.file(modelsDirProp);
+
     doLast {
         val projectionsBuilder = Node.objectNodeBuilder()
-        val modelsDirProp: String by project
-        val clientNameProp: String? by project
-        val models = project.file(modelsDirProp);
 
         fileTree(models).filter { it.isFile }.files.forEach eachFile@{ file ->
             val model = Model.assembler()

codegen/smithy-aws-typescript-codegen/build.gradle.kts

@@ -52,6 +52,9 @@ dependencies {
 }
 
 tasks.register("set-aws-sdk-versions") {
+    val packagesDir = project.file("../../packages")
+    val clientsDir = project.file("../../clients")
+
     doLast {
         mkdir(layout.buildDirectory.dir("generated/resources/software/amazon/smithy/aws/typescript/codegen").get().asFile)
         var versionsFile = layout.buildDirectory
@@ -60,7 +63,7 @@ tasks.register("set-aws-sdk-versions") {
             .asFile
         versionsFile.printWriter().close()
 
-        var roots = project.file("../../packages").listFiles().toMutableList() + project.file("../../clients").listFiles().toList()
+        var roots = packagesDir.listFiles().toMutableList() + clientsDir.listFiles().toList()
         roots.forEach { packageDir ->
             var packageJsonFile = File(packageDir, "package.json")
             if (packageJsonFile.isFile()) {