py-gdal: add py314 subport

Author: markmentovai

python/py-gdal/Portfile

@@ -23,7 +23,7 @@ checksums           rmd160  7ca04964aa3a10730bcf26b494e884efa9987ba0 \
                     sha256  d2b68361c7cf2ef7caa8cbb8549a315080301564e3f025d1842df71a4e406236 \
                     size    902365
 
-python.versions     310 311 312 313
+python.versions     310 311 312 313 314
 
 if {${name} ne ${subport}} {
     compiler.cxx_standard   2011