Standardize header formatting for "About the Properties File" in issue templates

Author: SableRaf

.github/ISSUE_TEMPLATE/1_new-library.yml

@@ -15,7 +15,7 @@ body:
   - type: markdown
     attributes:
       value: |
-        ### About the Properties File
+        #### About the Properties File
 
         A properties file (e.g., `myLibrary.txt`) is necessary for submitting your library. It should be a direct copy of your `library.properties` file, hosted in the same directory as your `.zip` distribution, and share the same base name.
 

.github/ISSUE_TEMPLATE/2_new-tool.yml

@@ -15,7 +15,7 @@ body:
   - type: markdown
     attributes:
       value: |
-        ### About the Properties File
+        #### About the Properties File
 
         A properties file (e.g., `myTool.txt`) is necessary for submitting your tool. It should be a direct copy of your `tool.properties` file, hosted in the same directory as your `.zip` distribution, and share the same base name.
 

.github/ISSUE_TEMPLATE/3_new-mode.yml

@@ -15,7 +15,7 @@ body:
   - type: markdown
     attributes:
       value: |
-        ### About the Properties File
+        #### About the Properties File
 
         A properties file (e.g., `myMode.txt`) is necessary for submitting your mode. It should be a direct copy of your `mode.properties` file, hosted in the same directory as your `.zip` distribution, and share the same base name.
 

.github/ISSUE_TEMPLATE/4_new-examples.yml

@@ -15,7 +15,7 @@ body:
   - type: markdown
     attributes:
       value: |
-        ### About the Properties File
+        #### About the Properties File
 
         A properties file (e.g., `myExamples.txt`) is necessary for submitting your example pack. It should be a direct copy of your `examples.properties` file, hosted in the same directory as your `.zip` distribution, and share the same base name.