In Dockerfile, pin apt versions with wildcards

Dockerfile

@@ -8,17 +8,17 @@ ENV DEBIAN_FRONTEND noninteractive
 
 RUN apt-get -qq update \
   && apt-get -qq -y install --no-install-recommends \
-  build-essential=12.8ubuntu1.1 \
-  git=1:2.25.1-1ubuntu3.1 \
-  ninja-build=1.10.0-1build1 \
-  openscad=2019.05-3ubuntu5 \
-  pkg-config=0.29.1-0ubuntu4 \
-  python3-pip=20.0.2-5ubuntu1.5 \
-  python3-venv=3.8.2-0ubuntu2 \
+  build-essential=12.* \
+  git=1:2.* \
+  openscad=2019.* \
+  pkg-config=0.29.* \
+  python3-pip=20.* \
+  python3-venv=3.8.* \
   && apt-get clean && rm -rf /var/lib/apt/lists/* \
 
   && pip3 install --no-cache-dir \
-  cmake==3.21.0 \
-  conan==1.38
+  cmake==3.21.2 \
+  conan==1.39 \
+  ninja==1.10.2
 
 CMD [ "/bin/bash" ]