gexiv2: update to 0.14.6, default to python314

Also, bump default python to version 3.14 and
remove old tiger condition.

gnome/gexiv2/Portfile

@@ -4,7 +4,7 @@ PortSystem          1.0
 PortGroup           meson 1.0
 
 name                gexiv2
-version             0.14.5
+version             0.14.6
 revision            0
 
 categories          gnome graphics
@@ -22,16 +22,16 @@ set branch          [join [lrange [split ${version} .] 0 1] .]
 master_sites        gnome:sources/${name}/${branch}/
 use_xz              yes
 
-checksums           rmd160  e3a79080210a5bcd80393a25e996f69e4d13c726 \
-                    sha256  0913c53daabab1f1ab586afd55bb55370796f2b8abcc6e37640ab7704ad99ce1 \
-                    size    390860
+checksums           rmd160  b083c8a756fd855ffeb3a64d6d159847d4c83514 \
+                    sha256  606c28aaae7b1f3ef5c8eabe5e7dffd7c5a1c866d25b7671fb847fe287a72b8b \
+                    size    391436
 
 # Disable unexpected download of subprojects
 meson.wrap_mode     nodownload
 
 set py_major        3
-set py_minor_min    9
-set py_minor_max    13
+set py_minor_min    10
+set py_minor_max    14
 
 compiler.blacklist-append \
                     {clang < 900}
@@ -102,17 +102,19 @@ proc py_setup {p_py_ver} {
 }
 
 # TODO: Generate these dynamically, since we define min/max supported versions
-variant python310 conflicts python311 python312 python313 \
+variant python310 conflicts python311 python312 python313 python314 \
     description {Build Python3 bindings using Python 3.10} {}
-variant python311 conflicts python310 python312 python313 \
+variant python311 conflicts python310 python312 python313 python314 \
     description {Build Python3 bindings using Python 3.11} {}
-variant python312 conflicts python310 python311 python313 \
+variant python312 conflicts python310 python311 python313 python314 \
     description {Build Python3 bindings using Python 3.12} {}
-variant python313 conflicts python310 python311 python312 \
+variant python313 conflicts python310 python311 python312 python314 \
     description {Build Python3 bindings using Python 3.13} {}
+variant python314 conflicts python310 python311 python312 python313 \
+    description {Build Python3 bindings using Python 3.14} {}
 
 if {[py_ver_set] eq ""} {
-    default_variants +python313
+    default_variants +python314
 }
 
 set py_ver [py_ver_set]
@@ -141,10 +143,4 @@ if {${universal_possible} && [variant_isset universal]} {
                     "CC=${configure.cc} ${configure.cc_archflags}"
 }
 
-platform darwin 8 {
-    # Tiger lacks @rpath, apply the usual gtk-doc workaround
-    destroot.env-append \
-                    "DYLD_LIBRARY_PATH=${build_dir}/${name}"
-}
-
 livecheck.type      gnome