Merge pull request github#3744 from github/p0-patch-1

Fix typo in cpp-security-extended.qls

Author: jbj

cpp/ql/src/codeql-suites/cpp-security-extended.qls

@@ -2,5 +2,5 @@
 - qlpack: codeql-cpp
 - apply: security-extended-selectors.yml
   from: codeql-suite-helpers
-- apply: codeql-suites/excluded-slow-queries.yml
+- apply: codeql-suites/exclude-slow-queries.yml
   from: codeql-cpp