fix: enforce 1-90 day range for cooldown validation

Update validation to match Dependabot's documented constraints:
cooldown days must be between 1 and 90 (inclusive).

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: zkoppert

README.md

@@ -227,7 +227,7 @@ npm:
 | `include` | List of dependency names to apply cooldown to (up to 150 items, supports `*` wildcards). |
 | `exclude` | List of dependency names excluded from cooldown (up to 150 items, supports `*` wildcards). |
 
-At least one of the `*-days` parameters must be specified. All day values must be non-negative integers.
+At least one of the `*-days` parameters must be specified. All day values must be integers between 1 and 90.
 
 ### Example workflows
 

dependabot_file.py

@@ -24,6 +24,8 @@
 )
 VALID_COOLDOWN_KEYS = VALID_COOLDOWN_DAYS_KEYS | {"include", "exclude"}
 MAX_COOLDOWN_LIST_ITEMS = 150
+MIN_COOLDOWN_DAYS = 1
+MAX_COOLDOWN_DAYS = 90
 
 
 def validate_cooldown_config(cooldown):
@@ -51,10 +53,15 @@ def validate_cooldown_config(cooldown):
             value = cooldown[key]
             if not isinstance(value, int) or isinstance(value, bool):
                 raise ValueError(
-                    f"Cooldown '{key}' must be a non-negative integer, got {type(value).__name__}"
+                    f"Cooldown '{key}' must be an integer between "
+                    f"{MIN_COOLDOWN_DAYS} and {MAX_COOLDOWN_DAYS}, "
+                    f"got {type(value).__name__}"
+                )
+            if value < MIN_COOLDOWN_DAYS or value > MAX_COOLDOWN_DAYS:
+                raise ValueError(
+                    f"Cooldown '{key}' must be between "
+                    f"{MIN_COOLDOWN_DAYS} and {MAX_COOLDOWN_DAYS}"
                 )
-            if value < 0:
-                raise ValueError(f"Cooldown '{key}' must be a non-negative integer")
             has_days = True
 
     if not has_days:

summary.md

@@ -0,0 +1,29 @@
+
+## 🚀 Job Summary
+- **Organization:** None
+- **Follow Up Type:** pull
+- **Dry Run:** False
+- **Enable Security Updates:** False
+
+    
+
+## 📋 Updated Repositories
+
+| Repository | 🔒 Security Updates Enabled | 🔄 Follow Up Type | 🔗 Link |
+| --- | --- | --- | --- |
+
+
+## 🚀 Job Summary
+- **Organization:** None
+- **Follow Up Type:** pull
+- **Dry Run:** False
+- **Enable Security Updates:** False
+
+    
+
+## 📋 Updated Repositories
+
+| Repository | 🔒 Security Updates Enabled | 🔄 Follow Up Type | 🔗 Link |
+| --- | --- | --- | --- |
+| github/accessibility-alt-text-bot | ❌ | pull | [Link](https://github.com/github/accessibility-alt-text-bot/pull/67) |
+

test_cooldown.py

@@ -34,8 +34,17 @@ def test_valid_with_include_exclude(self):
         )
 
     def test_valid_zero_days(self):
-        """Test that zero is a valid value for days"""
-        validate_cooldown_config({"default-days": 0})
+        """Test that zero is below the minimum and raises ValueError"""
+        with self.assertRaises(ValueError):
+            validate_cooldown_config({"default-days": 0})
+
+    def test_valid_boundary_min(self):
+        """Test that 1 day is the minimum valid value"""
+        validate_cooldown_config({"default-days": 1})
+
+    def test_valid_boundary_max(self):
+        """Test that 90 days is the maximum valid value"""
+        validate_cooldown_config({"default-days": 90})
 
     def test_invalid_not_a_dict(self):
         """Test that non-dict cooldown raises ValueError"""
@@ -52,6 +61,11 @@ def test_invalid_negative_days(self):
         with self.assertRaises(ValueError):
             validate_cooldown_config({"default-days": -1})
 
+    def test_invalid_days_exceed_max(self):
+        """Test that days above 90 raises ValueError"""
+        with self.assertRaises(ValueError):
+            validate_cooldown_config({"default-days": 91})
+
     def test_invalid_days_not_int(self):
         """Test that non-integer days raises ValueError"""
         with self.assertRaises(ValueError):