fix: temp fix vergen bug

Author: ogenev

ethportal-api/src/version.rs

@@ -1,6 +1,6 @@
 /// The latest git commit hash of the build.
 pub const TRIN_FULL_COMMIT: &str = env!("VERGEN_GIT_SHA");
-pub const TRIN_SHORT_COMMIT: &str = const_format::str_index!(TRIN_FULL_COMMIT, ..8);
+pub const TRIN_SHORT_COMMIT: &str = const_format::str_index!(TRIN_FULL_COMMIT, ..4);
 
 /// Trin's version is the same as the git tag.
 pub const TRIN_VERSION: &str = const_format::str_split!(env!("VERGEN_GIT_DESCRIBE"), '-')[0];