New version: ITensorBase v0.8.1 (#1116)

Co-authored-by: ITensorBot <278814285+ITensorBot@users.noreply.github.com>

Author: ITensorBot

I/ITensorBase/Versions.toml

@@ -242,3 +242,6 @@ git-tree-sha1 = "c1dbf3b468a664b40b3e7c313b3b0a8f055b3856"
 
 ["0.8.0"]
 git-tree-sha1 = "f343e0f21b6c666b615656868d81ec7f888e824a"
+
+["0.8.1"]
+git-tree-sha1 = "f07de06ca2804187196685e65136e2e51b276213"