CI/CD: some latest releases added.

/misc/docker/:
+ debian 11 (i386+amd64) added,
+ fedora 32 added,
+ fedora 33 added,
+ fedora 34 added,
+ opensuse 15.2 added,
+ opensuse 15.3 added,
+ ubuntu 20.04 added,
+ ubuntu 20.10 added,
+ ubuntu 21.04 added,
- ubuntu 19.10 removed.

/.gitlab-ci.yml:
+ stages 'image' and 'build' updated.

misc/docker/debian-11-amd64/Dockerfile

@@ -0,0 +1,13 @@
+FROM amd64/debian:bullseye-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN sed -i 's/deb.debian.org/ftp.cz.debian.org/' /etc/apt/sources.list
+RUN apt-get -y update && apt-get -y upgrade
+RUN apt-get -y install \
+	autoconf \
+	build-essential \
+	flex \
+	bison \
+	ncurses-dev \
+	libreadline-dev
+

misc/docker/debian-11-i386/Dockerfile

@@ -1,8 +1,8 @@
-FROM ubuntu:19.10
-ENV DEBIAN_FRONTEND noninteractive
+FROM i386/debian:bullseye-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
 RUN sed -i 's/deb.debian.org/ftp.cz.debian.org/' /etc/apt/sources.list
-RUN apt-get -y update
-RUN apt-get -y upgrade
+RUN apt-get -y update && apt-get -y upgrade
 RUN apt-get -y install \
 	autoconf \
 	build-essential \
@@ -10,3 +10,4 @@ RUN apt-get -y install \
 	bison \
 	ncurses-dev \
 	libreadline-dev
+

misc/docker/fedora-32-amd64/Dockerfile

@@ -0,0 +1,13 @@
+FROM fedora:32
+
+RUN dnf -y update  && dnf -y upgrade
+RUN dnf -y install \
+        make \
+        autoconf \
+        flex \
+        bison \
+        pkgconfig \
+        "readline-devel" \
+        "pkgconfig(ncurses)" \
+        gcc
+

misc/docker/fedora-33-amd64/Dockerfile

@@ -0,0 +1,13 @@
+FROM fedora:33
+
+RUN dnf -y update  && dnf -y upgrade
+RUN dnf -y install \
+        make \
+        autoconf \
+        flex \
+        bison \
+        pkgconfig \
+        "readline-devel" \
+        "pkgconfig(ncurses)" \
+        gcc
+

misc/docker/fedora-34-amd64/Dockerfile

@@ -0,0 +1,13 @@
+FROM fedora:34
+
+RUN dnf -y update  && dnf -y upgrade
+RUN dnf -y install \
+        make \
+        autoconf \
+        flex \
+        bison \
+        pkgconfig \
+        "readline-devel" \
+        "pkgconfig(ncurses)" \
+        gcc
+

misc/docker/opensuse-15.2-amd64/Dockerfile

@@ -0,0 +1,12 @@
+FROM opensuse/leap:15.2
+
+RUN zypper -n up
+RUN zypper -n install \
+	autoconf \
+	flex \
+	bison \
+	pkgconfig \
+	readline-devel \
+	ncurses-devel \
+	gcc \
+	gmake

misc/docker/opensuse-15.3-amd64/Dockerfile

@@ -0,0 +1,12 @@
+FROM opensuse/leap:15.3
+
+RUN zypper -n up
+RUN zypper -n install \
+	autoconf \
+	flex \
+	bison \
+	pkgconfig \
+	readline-devel \
+	ncurses-devel \
+	gcc \
+	gmake

misc/docker/ubuntu-20.04-amd64/Dockerfile

@@ -0,0 +1,14 @@
+FROM ubuntu:20.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN sed -i 's/deb.debian.org/ftp.cz.debian.org/' /etc/apt/sources.list
+RUN apt-get -y update
+RUN apt-get -y upgrade
+RUN apt-get -y install \
+        autoconf \
+        build-essential \
+        flex \
+        bison \
+        ncurses-dev \
+        libreadline-dev \
+

misc/docker/ubuntu-20.10-amd64/Dockerfile

@@ -0,0 +1,14 @@
+FROM ubuntu:20.10
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN sed -i 's/deb.debian.org/ftp.cz.debian.org/' /etc/apt/sources.list
+RUN apt-get -y update
+RUN apt-get -y upgrade
+RUN apt-get -y install \
+        autoconf \
+        build-essential \
+        flex \
+        bison \
+        ncurses-dev \
+        libreadline-dev \
+

misc/docker/ubuntu-21.04-amd64/Dockerfile

@@ -0,0 +1,14 @@
+FROM ubuntu:21.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+RUN sed -i 's/deb.debian.org/ftp.cz.debian.org/' /etc/apt/sources.list
+RUN apt-get -y update
+RUN apt-get -y upgrade
+RUN apt-get -y install \
+        autoconf \
+        build-essential \
+        flex \
+        bison \
+        ncurses-dev \
+        libreadline-dev
+