gh: precise python39-docutils dep on Cygwin

Newer python39-docutils package (0.22.4) does not provide "roman" module
which is expected by Sphinx. Need to use previous package (0.18.1).

Signed-off-by: Xavier Delaruelle <xavier.delaruelle@cea.fr>

Author: xdelaruelle

.github/workflows/windows_tests.yaml

@@ -28,7 +28,7 @@ jobs:
         with:
           # precise all sphinxcontrib packages required as dependency spec
           # of python39-sphinx package is regularly broken
-          packages: make sed git autoconf automake libtool tcl python39 python39-sphinx gzip zip python39-sphinxcontrib-applehelp python39-sphinxcontrib-devhelp python39-sphinxcontrib-htmlhelp python39-sphinxco  ntrib-jsmath python39-sphinxcontrib-qthelp python39-sphinxcontrib-serializinghtml python39-sphinxcontrib-websupport python39-alabaster python39-sqlalchemy
+          packages: make sed git autoconf automake libtool tcl python39 python39-docutils=0.18.1-1 python39-sphinx gzip zip python39-sphinxcontrib-applehelp python39-sphinxcontrib-devhelp python39-sphinxcontrib-htmlhelp python39-sphinxco  ntrib-jsmath python39-sphinxcontrib-qthelp python39-sphinxcontrib-serializinghtml python39-sphinxcontrib-websupport python39-alabaster python39-sqlalchemy
       - name: Install Tcl under Windows
         shell: cmd
         run: |
@@ -79,7 +79,7 @@ jobs:
         with:
           # precise all sphinxcontrib packages required as dependency spec
           # of python39-sphinx package is regularly broken
-          packages: make sed git autoconf automake libtool tcl python39 python39-sphinx gzip zip python39-sphinxcontrib-applehelp python39-sphinxcontrib-devhelp python39-sphinxcontrib-htmlhelp python39-sphinxco  ntrib-jsmath python39-sphinxcontrib-qthelp python39-sphinxcontrib-serializinghtml python39-sphinxcontrib-websupport python39-alabaster python39-sqlalchemy
+          packages: make sed git autoconf automake libtool tcl python39 python39-docutils=0.18.1-1 python39-sphinx gzip zip python39-sphinxcontrib-applehelp python39-sphinxcontrib-devhelp python39-sphinxcontrib-htmlhelp python39-sphinxco  ntrib-jsmath python39-sphinxcontrib-qthelp python39-sphinxcontrib-serializinghtml python39-sphinxcontrib-websupport python39-alabaster python39-sqlalchemy
       - name: Install Tcl under Windows
         shell: cmd
         run: |
@@ -127,7 +127,7 @@ jobs:
           # of python39-sphinx package is regularly broken
           # precise liblapack0 package needed by R package (missing dependency
           # since R-4.2.1-1)
-          packages: make sed git autoconf automake libtool tcl dejagnu python39 python39-sphinx gzip ruby zsh tcsh mksh fish cmake R liblapack0 tcl-devel gcc-core curl python39-sphinxcontrib-applehelp python39-sphinxcontrib-devhelp python39-sphinxcontrib-htmlhelp python39-sphinxcontrib-jsmath python39-sphinxcontrib-qthelp python39-sphinxcontrib-serializinghtml python39-sphinxcontrib-websupport python39-alabaster python39-sqlalchemy
+          packages: make sed git autoconf automake libtool tcl dejagnu python39 python39-docutils=0.18.1-1 python39-sphinx gzip ruby zsh tcsh mksh fish cmake R liblapack0 tcl-devel gcc-core curl python39-sphinxcontrib-applehelp python39-sphinxcontrib-devhelp python39-sphinxcontrib-htmlhelp python39-sphinxcontrib-jsmath python39-sphinxcontrib-qthelp python39-sphinxcontrib-serializinghtml python39-sphinxcontrib-websupport python39-alabaster python39-sqlalchemy
       - name: Configure Git safe.directory
         run: |
           bash -lc 'git config --global --add safe.directory $(cygpath -u "$GITHUB_WORKSPACE")'