docs: Change tiers score to expected score

The expected score for the code to output is 3/10 for Tier 1 case and 7/10 for Tier 3 case. The scoring issue will be reported as bug.

Signed-off-by: Gabriela Gutierrez <gabigutierrez@google.com>

docs/checks/internal/checks.yaml

@@ -188,7 +188,7 @@ checks:
 
       Note: If Scorecard is run without an administrative access token, the requirements that specify “For administrators” can be safely ignored, and scores will be determined as if all such requirements have been met.
 
-      Tier 1 Requirements (with non-admin token 3/10 points, with admin token 4/10 points):
+      Tier 1 Requirements (3/10 points):
         - Prevent force push
         - Prevent branch deletion
         - For administrators: Include administrator for review
@@ -198,7 +198,7 @@ checks:
         - For administrators: Require branch to be up to date before merging
         - For administrators: Require approval of the most recent reviewable push
 
-      Tier 3 Requirements (8/10 points):
+      Tier 3 Requirements (7/10 points):
         - Require branch to pass at least 1 status check before merging
 
       Tier 4 Requirements (9/10 points):