Add CLion/ASWB/clangd project directories to .gitignore

Closes #15011.

PiperOrigin-RevId: 437019248
diff --git a/.gitignore b/.gitignore
index b544e84..92fb66d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,10 @@
 # Ignore Vim swap files.
 .*.swp
 # Ignore files generated by IDEs.
+/.aswb/
+/.cache/
 /.classpath
+/.clwb/
 /.factorypath
 /.idea/
 /.ijwb/
@@ -23,4 +26,3 @@
 .bazelversion
 # User-specific .bazelrc
 user.bazelrc
-