[centos,windows] python: update system-wide pip, pin cryptography to <3.4

centos/Dockerfile

@@ -346,6 +346,8 @@ RUN yum install -y \
         libepoxy-devel \
         && \
     yum clean all && \
+    python3.6 -m pip --no-cache-dir install -U pip && \
+    python3.6 -m pip --no-cache-dir install 'cryptography<3.4' &&  \
     python3.6 -m pip --no-cache-dir install \
         wheel \
         twine
@@ -440,7 +442,9 @@ RUN version=3.9.1 && \
     ldconfig
 
 # Python 3.7 packages
-RUN python3.7 -m pip --no-cache-dir install \
+RUN python3.7 -m pip --no-cache-dir install -U pip && \
+    python3.7 -m pip --no-cache-dir install 'cryptography<3.4' && \
+    python3.7 -m pip --no-cache-dir install \
         wheel \
         twine \
         pytest \
@@ -448,7 +452,9 @@ RUN python3.7 -m pip --no-cache-dir install \
         h5py
 
 # Python 3.8 packages
-RUN python3.8 -m pip --no-cache-dir install \
+RUN python3.8 -m pip --no-cache-dir install -U pip && \
+    python3.8 -m pip --no-cache-dir install 'cryptography<3.4' && \
+    python3.8 -m pip --no-cache-dir install \
         wheel \
         twine \
         pytest \
@@ -456,7 +462,9 @@ RUN python3.8 -m pip --no-cache-dir install \
         h5py
 
 # Python 3.9 packages
-RUN python3.9 -m pip --no-cache-dir install \
+RUN python3.9 -m pip --no-cache-dir install -U pip && \
+    python3.9 -m pip --no-cache-dir install 'cryptography<3.4' && \
+    python3.9 -m pip --no-cache-dir install \
         wheel \
         twine \
         pytest \

windows/base/Dockerfile

@@ -90,6 +90,8 @@ RUN Must-Run choco install -y --allow-multiple-versions python --version 3.9.1;
     Must-Run choco install -y --allow-multiple-versions python --version 3.8.7; \
     Must-Run choco install -y --allow-multiple-versions python --version 3.7.9; \
     $env:PATH = "\"$([Environment]::GetEnvironmentVariable('PATH', [EnvironmentVariableTarget]::User));$([Environment]::GetEnvironmentVariable('PATH', [EnvironmentVariableTarget]::Machine))\""; \
+    Must-Run /Python39/python -m pip --no-cache-dir install --no-warn-script-location -U pip; \
+    Must-Run /Python39/python -m pip --no-cache-dir install --no-warn-script-location 'cryptography<3.4'; \
     Must-Run /Python39/python -m pip --no-cache-dir install --no-warn-script-location \
         wheel \
         twine \
@@ -97,6 +99,8 @@ RUN Must-Run choco install -y --allow-multiple-versions python --version 3.9.1;
         pandas \
         h5py \
         ; \
+    Must-Run /Python38/python -m pip --no-cache-dir install --no-warn-script-location -U pip; \
+    Must-Run /Python38/python -m pip --no-cache-dir install --no-warn-script-location 'cryptography<3.4'; \
     Must-Run /Python38/python -m pip --no-cache-dir install --no-warn-script-location \
         wheel \
         twine \
@@ -104,6 +108,8 @@ RUN Must-Run choco install -y --allow-multiple-versions python --version 3.9.1;
         pandas \
         h5py \
         ; \
+    Must-Run /Python37/python -m pip --no-cache-dir install --no-warn-script-location -U pip; \
+    Must-Run /Python37/python -m pip --no-cache-dir install --no-warn-script-location 'cryptography<3.4'; \
     Must-Run /Python37/python -m pip --no-cache-dir install --no-warn-script-location \
         wheel \
         twine \