Updated SDK versions for 1.5.0-RC2 (#3199)

Author: vigoo

cli/golem-cli/src/versions.rs

@@ -13,9 +13,9 @@
 // limitations under the License.
 
 pub mod sdk {
-    pub const RUST: &str = "2.0.0-dev.7";
-    pub const TS: &str = "1.0.0-dev.5";
-    pub const SCALA: &str = "1.5.0-M8";
+    pub const RUST: &str = "2.0.0-dev.8";
+    pub const TS: &str = "1.0.0-dev.6";
+    pub const SCALA: &str = "1.5.0-M9";
     pub const MANIFEST: &str = "1.5.0";
 
     #[macro_export]