Match number of problems in paragraph

Co-authored-by: Sascha Grunert <[email protected]>

Author: puerco

keps/sig-release/3027-slsa-compliance/README.md

@@ -305,7 +305,7 @@ This might be a good place to talk about core concepts and how they relate.
 
 ### Risks and Mitigations
 
-Failure to pursue this enhancement poses three problems for the project:
+Failure to pursue this enhancement poses two problems for the project.
 
 
 #### Leaving Common Threats Unaddressed