libedgetpu: fix building with Abseil 20250512.0

Abseil 20250512.0 removed the bad_optional_access library.

pkgs/by-name/li/libedgetpu/fix-abseil-20250512.0.patch

···
+diff --git a/makefile_build/Makefile b/makefile_build/Makefile
+index 335e74a..71492d0 100644
+--- a/makefile_build/Makefile
++++ b/makefile_build/Makefile
+@@ -40,7 +40,6 @@ LIBEDGETPU_LDFLAGS := \
+ 	-labsl_hashtablez_sampler \
+ 	-labsl_raw_hash_set \
+ 	-labsl_str_format_internal \
+-	-labsl_bad_optional_access \
+ 	-lusb-1.0
+ 
+ LIBEDGETPU_FLATC_SRCS := \

pkgs/by-name/li/libedgetpu/package.nix

···
       url = "https://patch-diff.githubusercontent.com/raw/google-coral/libedgetpu/pull/66.patch";
       hash = "sha256-mMODpQmikfXtsQvtgh26cy97EiykYNLngSjidOBt/3I=";
     })
+    ./fix-abseil-20250512.0.patch
   ];
 
   postPatch = ''