scrcpy v1.13

Changes since v1.12.1:
 - Add option to lock video orientation (#218, #1151)
 - Add shortcuts to rotate the display (#218, #1274)
 - Mirror secondary displays (#397, #898, #1177, #1238)
 - Enable trilinear filtering when possible (#40, #1284)
 - Add --render-driver parameter (#1284)
 - Accept --max-fps before Android 10 (#488)
 - Accept negative window position (#1242)
 - Use another local port if 27183 is not available (#945, #951)
 - Forward NumPad keys when NumLock is disabled (#1188)
 - Fix issues when directory contains non-ASCII chars on Windows (#1002)
 - Do not print irrelevant workarounds errors (#994)
 - Fix possible BufferUnderflowException on touch event (#1245)
 - Upgrade FFmpeg to 4.2.2 in Windows releases
 - Upgrade SDL to 2.0.12 in Windows releases