Help: Fix some typos found by `sphinx-lint`

Particularly,

- Avoid TABs in RST docs.
- Avoid words ending w/ hyphen at the right side of pharagraphs.

Help/manual/cmake-presets.7.rst

@@ -1124,8 +1124,8 @@ fields:
 
 ``steps``
   A required array of objects describing the steps of the workflow. The first
-  step must be a configure preset, and all subsequent steps must be non-
-  configure presets whose ``configurePreset`` field matches the starting
+  step must be a configure preset, and all subsequent steps must be
+  non-configure presets whose ``configurePreset`` field matches the starting
   configure preset. Each object may contain the following fields:
 
   ``type``

Help/release/3.0.rst

@@ -364,8 +364,8 @@ Deprecated and Removed Features
 * The builtin documentation formatters that supported command-line
   options such as ``--help-man`` and ``--help-html`` have been removed
   in favor of the above-mentioned new documentation system.  These and
-  other command-line options that used to generate man- and html-
-  formatted pages no longer work.  The :manual:`cmake(1)`
+  other command-line options that used to generate man- and
+  html- formatted pages no longer work.  The :manual:`cmake(1)`
   ``--help-custom-modules`` option now produces a warning at runtime
   and generates a minimal document that reports the limitation.
 

Help/variable/CMAKE_DOTNET_TARGET_FRAMEWORK.rst

@@ -3,7 +3,7 @@ CMAKE_DOTNET_TARGET_FRAMEWORK
 
 .. versionadded:: 3.17
 
-Default value for :prop_tgt:`DOTNET_TARGET_FRAMEWORK` property	of
+Default value for :prop_tgt:`DOTNET_TARGET_FRAMEWORK` property of
 targets.
 
 This variable is used to initialize the