Add 1.86 to the old section

Author: peterjc

wiki/Download.md

@@ -157,6 +157,15 @@ Recent releases of Biopython require NumPy (and not Numeric).
 Version 1.76 is the last release to support Python 2.7 and 3.5,
 all later releases require Python 3:
 
+-   [biopython-1.86.tar.gz](http://biopython.org/DIST/biopython-1.86.tar.gz)
+    20Mb -- Source Tarball
+-   [biopython-1.86.zip](http://biopython.org/DIST/biopython-1.86.zip)
+    21Mb -- Source Zip File
+-   [Pre-compiled wheel files on PyPI](https://pypi.python.org/pypi/biopython/1.86)
+-   [Documentation](https://biopython.org/docs/1.86/)
+
+<!-- -->
+
 -   [biopython-1.85.tar.gz](http://biopython.org/DIST/biopython-1.85.tar.gz)
     19Mb -- Source Tarball (15 January 2025)
 -   [biopython-1.85.zip](http://biopython.org/DIST/biopython-1.85.zip)