scripts/requirements-lax.txt: align with more recent requirements.txt

No point accepting versions older than the officially supported
versions.

Fixes commit 0d8991b ("Update req.txt file, update copyright,
change release number")

Signed-off-by: Marc Herbert <[email protected]>

Author: marc-hb

scripts/requirements-lax.txt

@@ -9,26 +9,23 @@
 #  PIP_IGNORE_INSTALLED=0 pip3 install --user -r scripts/requirements-lax.txt
 # See https://github.com/pypa/pip/issues/4222
 
-breathe>=4.7.3
-sphinx>=1.6.7
-docutils>=0.14
+breathe>=4.29.2
+sphinx>=4.5.0
+docutils>=0.17.1
 sphinx_rtd_theme>=0.2.4
 sphinxcontrib-blockdiag>=3.0.0
 
 # - Version 0.11 is the first version that supports
 #   `plantuml_output_format=none` which is required for instant builds.
 #   https://pypi.org/project/sphinxcontrib-plantuml/0.11/
 #
-# - 0.24 is the last version successfully tested with
-#   PIP_IGNORE_INSTALLED=0 and Ubuntu 20.04 (see .github/worflows/)
-#
 # - Note 0.9 is the minimum to fix this fatal import failure:
 #
 #   sphinx.util.compat.Directive class is now deprecated. Please
 #      use instead docutils.parsers.rst.Directive
 #
 # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=896485#12
-sphinxcontrib.plantuml>=0.11,<0.25
+sphinxcontrib.plantuml>=0.11
 
 # Differences between these "lax" version requirements and the official
 # ones in requirements.txt: