configure: update copyright year

(cherry picked from commit 62da0b4a741a064f118a0eece496d6bcc437ec91)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
diff --git a/configure b/configure
index 89af70d..fb55e04 100755
--- a/configure
+++ b/configure
@@ -7591,7 +7591,7 @@
 #define FFMPEG_CONFIG_H
 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 #define FFMPEG_LICENSE "$(c_escape $license)"
-#define CONFIG_THIS_YEAR 2022
+#define CONFIG_THIS_YEAR 2023
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"