Deploy the latest clang static analyzer

https://bugs.webkit.org/show_bug.cgi?id=287609

Reviewed by Chris Dumez.

Deploy the various fixes in our static analyzer bot.

* Tools/CISupport/Shared/steps.py:

Canonical link: https://commits.webkit.org/290322@main

Author: rniwa

Tools/CISupport/Shared/steps.py

@@ -43,7 +43,7 @@
 GITHUB_URL = 'https://github.com/'
 SCAN_BUILD_OUTPUT_DIR = 'scan-build-output'
 LLVM_DIR = 'llvm-project'
-LLVM_REVISION = 'e4591dfc979e8b28526a249d86e330470f47ea94'
+LLVM_REVISION = '7a17516ab7e55a3a920b0890285eb77b58a4bc19'
 
 
 class ShellMixin(object):