chore(tape): Rename output GIF and adjust sleep duration

- Rename output file from 'ai-commit-vhs-github-models.gif' to 'ai-commit-vhs.gif'
- Adjust sleep duration from 10 seconds to 6 seconds for better performance
- These changes improve the usability and efficiency of the commit process.

Author: ityaozm@gmail.com

ai-commit.tape

@@ -46,7 +46,7 @@
 
 # https://github.com/charmbracelet/vhs
 
-Output ./resources/docs/ai-commit-vhs-github-models.gif
+Output ./resources/docs/ai-commit-vhs.gif
 
 Require php
 
@@ -62,7 +62,7 @@ Enter@500ms Sleep 500ms
 Type "./ai-commit commit --generator=github_models_cli --no-edit --no-verify --ansi" Sleep 500ms
 Enter@500ms Sleep 500ms
 Down@200ms 11 Sleep 500ms
-Enter@500ms Sleep 10s
+Enter@500ms Sleep 6s
 Enter@500ms Sleep 500ms
 Type "git status" Sleep 500ms
 Enter@500ms Sleep 500ms