Merge branch 'master' of github.com:github/codeql into SharedDataflow

To avoid CodeScan check failing

python/ql/test/library-tests/regex/test.py

@@ -62,3 +62,7 @@ re.compile(r'(?:(?P<n1>^(?:|x)))')
 re.compile(r"\[(?P<txt>[^[]*)\]\((?P<uri>[^)]*)")
 
 re.compile("", re.M) # ODASA-8056
+
+# FP reported in https://github.com/github/codeql/issues/3712
+# This does not define a regex (but could be used by other code to do so)
+escaped = re.escape("https://www.humblebundle.com/home/library")

python/ql/test/query-tests/Security/CWE-020/hosttest.py

@@ -17,3 +17,7 @@ def safe(request):
     target = request.args.get('target', '')
     if SAFE_REGEX.match(target):
         return redirect(target)
+
+# FP reported in https://github.com/github/codeql/issues/3712
+# This does not define a regex (but could be used by other code to do so)
+escaped = re.escape("https://www.humblebundle.com/home/library")