Update default TF version used in TeamCity to be "1.8.0-rc1" (GoogleCloudPlatform#10276)

* Update default TF version used in TeamCity to be 1.8.0-rc1

This will be updated to 1.8.0 after the GA release

* Update pom.xml to pull in a hardcoded server-api dependency version : 2024.07-SNAPSHOT

Author: SarahFrench

mmv1/third_party/terraform/.teamcity/components/constants.kt

@@ -16,7 +16,7 @@ const val DefaultStartHour = 4
 const val DefaultParallelism = 6
 
 // specifies the default version of Terraform Core which should be used for testing
-const val DefaultTerraformCoreVersion = "1.2.5"
+const val DefaultTerraformCoreVersion = "1.8.0-rc1" // TODO(SarahFrench) - update to 1.8.0 once it's gone GA
 
 // This represents a cron view of days of the week
 const val DefaultDaysOfWeek = "*"

mmv1/third_party/terraform/.teamcity/pom.xml

@@ -136,7 +136,7 @@
     <dependency>
       <groupId>org.jetbrains.teamcity</groupId>
       <artifactId>server-api</artifactId>
-      <version>${teamcity.dsl.version}</version>
+      <version>2024.07-SNAPSHOT</version>
       <scope>test</scope>
     </dependency>
   </dependencies>