DOC fix link in bug report (#50831)

Author: MarcoGorelli

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -17,8 +17,8 @@ body:
             [latest version](https://pandas.pydata.org/docs/whatsnew/index.html) of pandas.
           required: true
         - label: >
-            I have confirmed this bug exists on the [main branch]
-            (https://pandas.pydata.org/docs/dev/getting_started/install.html#installing-the-development-version-of-pandas)
+            I have confirmed this bug exists on the
+            [main branch](https://pandas.pydata.org/docs/dev/getting_started/install.html#installing-the-development-version-of-pandas)
             of pandas.
   - type: textarea
     id: example