[Misc] Bump taichi version to v1.8.0 (#8458)

Issue: # ### Brief Summary copilot:summary ### Walkthrough copilot:walkthrough
taichi-dev · Dec 30, 2023 · 5a99461 · 5a99461
1 parent 6a30b8d
commit 5a99461
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/version.txt b/version.txt
@@ -1 +1 @@
-v1.7.0
+v1.8.0