worker: Update submodules

Dockerfile, xed: Fix build

capstone: Switch to 'next' branch

Dockerfile

@@ -1,6 +1,6 @@
 FROM ubuntu:latest
 
-RUN apt update && apt install -y build-essential binutils-dev python cmake ruby
+RUN apt update && apt install -y build-essential binutils-dev python3 cmake ruby
 
 WORKDIR /app/mishegos
 COPY ./ .

src/worker/xed/Makefile

@@ -11,7 +11,7 @@ all: xed.so
 .ONESHELL:
 xed/kits/xed-mishegos/libxed.so:
 	cd xed
-	python ./mfile.py install --shared --install-dir=kits/xed-mishegos -j 4
+	python3 ./mfile.py install --shared --install-dir=kits/xed-mishegos -j 4
 
 xed.so: xed.o
 	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) xed.o $(LDLIBS) -o $@