fix templates

Author: methane

.github/DISCUSSION_TEMPLATE/build.yml renamed to .github/DISCUSSION_TEMPLATE/build-issue.yml

@@ -2,7 +2,7 @@ body:
   - type: markdown
     attributes:
       value: |
-        Failed to buid? [Use this form](https://github.com/PyMySQL/mysqlclient/discussions/new?category=build).
+        Failed to buid? [Use this form](https://github.com/PyMySQL/mysqlclient/discussions/new?category=build-issue).
 
         We don't use this issue tracker to help users.
         Please use this tracker only when you are sure about it is an issue of this software.

.github/DISCUSSION_TEMPLATE/issue-report.yml

@@ -1,7 +1,7 @@
 contact_links:
   - name: Failed to build
     about: Ask help for build error.
-    url: "https://github.com/PyMySQL/mysqlclient/discussions/new?category=build"
+    url: "https://github.com/PyMySQL/mysqlclient/discussions/new?category=build-issue"
 
   - name: Report issue
     about: Found bug?