Add fpm 22.04 version

fpm/Dockerfile-ubuntu2204

+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN set -x \
+	&& apt-get update && apt-get install -y --no-install-recommends \
+		ruby \
+		ruby-dev \
+		gcc \
+		g++ \
+		make \
+		ca-certificates \
+		libffi-dev \
+		ruby-ffi \
+		rpm \
+		vim \
+	&& gem install fpm \
+	&& mkdir /src/
+
+WORKDIR /src/
+
+CMD /usr/local/bin/fpm

fpm/Makefile

 	docker pull rayburgemeestre/fpm-ubuntu:20.04 || true
 	docker build . -f Dockerfile-ubuntu2004 -t rayburgemeestre/fpm-ubuntu:20.04
 
+ubuntu2204fpm:
+	docker pull rayburgemeestre/fpm-ubuntu:22.04 || true
+	docker build . -f Dockerfile-ubuntu2204 -t rayburgemeestre/fpm-ubuntu:22.04
+
 publish1804:
 	docker push rayburgemeestre/fpm-ubuntu:18.04
 
 publish2004:
 	docker push rayburgemeestre/fpm-ubuntu:20.04
+
+publish2204:
+	docker push rayburgemeestre/fpm-ubuntu:22.04