[RTEMS Project] #4968: Python 3.12 does not have SafeConfigParser

[RTEMS trac]

#4968: Python 3.12 does not have SafeConfigParser
--------------------------+-------------------------
  Reporter:  Chris Johns  |      Owner:  Chris Johns
      Type:  defect       |     Status:  assigned
  Priority:  normal       |  Milestone:  6.1
 Component:  tool         |    Version:  6
  Severity:  normal       |   Keywords:
Blocked By:               |   Blocking:
--------------------------+-------------------------
 This breaks `version.py` in:
 - rtems-tools
 - rtems-docs
 - rtems_waf

 Also update any escape sequences that are not correctly escaped or are a
 regx expressions (prefix with `r`).

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Ticket URL: <http://devel.rtems.org/ticket/4968>
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