Merge pull request #316 from InjectiveLabs/chore/update_indexer_v1_16_20

[chore] update indexer v1.16.20

Author: aarmoa

Makefile

@@ -1,7 +1,7 @@
 all:
 
 clone-injective-indexer:
-	git clone https://github.com/InjectiveLabs/injective-indexer.git -b v1.16.16 --depth 1 --single-branch
+	git clone https://github.com/InjectiveLabs/injective-indexer.git -b v1.16.20 --depth 1 --single-branch
 
 clone-injective-core:
 	git clone https://github.com/InjectiveLabs/injective-core.git -b v1.16.0-beta.3 --depth 1 --single-branch