Update Python and ExifTool.

Author: nmantani

install.ps1

@@ -51,17 +51,17 @@
 
 $RELEASE_VERSION = "2.12"
 $PYTHON_EXE = "C:\Windows\py.exe"
-$PYTHON_VERSION = "3.9.5"
+$PYTHON_VERSION = "3.9.6"
 $APLIB_VERSION = "1.1.1"
-$EXIFTOOL_VERSION = "12.28"
+$EXIFTOOL_VERSION = "12.29"
 $QUICKLZ_VERSION = "1.5.0"
 
 # SHA256 Hash values of files that will be downloaded
 $FILEINSIGHT_HASH = "005FE63E3942D772F82EC4DF935002AEDB8BBBF10FC95BE086C029A2F3C875A9"
 $FILEINSIGHT_PLUGINS_HASH = "7575BF25870DAD5E27FA0C033E19F51EC88FAF5B3E64AA68DDF8C32E53B0F439"
-$PYTHON_HASH = "84D5243088BA00C11E51905C704DBE041040DFFF044F4E1CE5476844EE2E6EAC"
+$PYTHON_HASH = "3924CAA094F70FD3EA667A27AD494D57941A487AA72D8B6B79CE60E81F1E497C"
 $APLIB_HASH = "C35C6D3D96CCA8A29FA863EFB22FA2E9E03F5BC2C0293C3256D7AF2E112583B3"
-$EXIFTOOL_HASH = "283D79F2E1BF122BD1DFD220F4F0DB0E6726F788920D6140D3EA44AF1B64D054"
+$EXIFTOOL_HASH = "4451F14C7D64466E7868CA85BE83E08C09CF565431379969CE9995E5222F62C4"
 $QUICKLZ_HASH = "C64082498113C220142079B6340BCE3A7B729AD550FCF7D38E08CF8BB2634A28"
 
 function get_proxy_url {