Help: Fix typos found by the `rst-directive-colons` hook

The corresponding `pre-commit` configuration is coming in the
separate MR.

Signed-off-by: Alex Turbov <[email protected]>

Help/envvar/CMAKE_EXPORT_BUILD_DATABASE.rst

@@ -10,7 +10,7 @@ explicit configuration given on the first run while creating a new build tree.
 On later runs in an existing build tree the value persists in the cache as
 :variable:`CMAKE_EXPORT_BUILD_DATABASE`.
 
-.. note ::
+.. note::
 
    This variable is meaningful only when experimental support for build
    databases has been enabled by the

Help/manual/cmake-cxxmodules.7.rst

@@ -99,7 +99,7 @@ library combinations:
 The :variable:`CMAKE_CXX_COMPILER_IMPORT_STD` variable may be used to detect
 support for a standard level with the active C++ toolchain.
 
-.. note ::
+.. note::
 
    This support is provided only when experimental support for
    ``import std;`` has been enabled by the

Help/prop_tgt/CXX_MODULE_STD.rst

@@ -6,7 +6,7 @@ CXX_MODULE_STD
 ``CXX_MODULE_STD`` is a boolean specifying whether the target may use
 ``import std;`` its C++ sources or not.
 
-.. note ::
+.. note::
 
    This setting is meaningful only when experimental support for ``import
    std;`` has been enabled by the ``CMAKE_EXPERIMENTAL_CXX_IMPORT_STD`` gate.
@@ -17,7 +17,7 @@ standard applied to the target. This target is only applicable within the
 current build and will not appear in the exported interfaces of the targets.
 When consumed, these targets will be reapplied as necessary.
 
-.. note:
+.. note::
 
    Similar to the introduction of :prop:`CXX_SCAN_FOR_MODULES`, this property
    defaults to _not_ adding ``import std`` support to targets using

Help/prop_tgt/EXPORT_BUILD_DATABASE.rst

@@ -8,7 +8,7 @@ Enable/Disable output of a build database for a target.
 This property is initialized by the value of the variable
 :variable:`CMAKE_EXPORT_BUILD_DATABASE` if it is set when a target is created.
 
-.. note ::
+.. note::
 
    This property is meaningful only when experimental support for build
    databases has been enabled by the

Help/variable/CMAKE_CXX_COMPILER_IMPORT_STD.rst

@@ -8,7 +8,7 @@ current C++ toolchain.  Support for C++\<NN\> may be detected using a
 ``<NN> IN_LIST CMAKE_CXX_COMPILER_IMPORT_STD`` predicate with the
 :command:`if` command.
 
-.. note ::
+.. note::
 
    This variable is meaningful only when experimental support for ``import
    std;`` has been enabled by the ``CMAKE_EXPERIMENTAL_CXX_IMPORT_STD`` gate.

Help/variable/CMAKE_CXX_MODULE_STD.rst

@@ -6,7 +6,7 @@ CMAKE_CXX_MODULE_STD
 Whether to add utility targets as dependencies to targets with at least
 ``cxx_std_23`` or not.
 
-.. note ::
+.. note::
 
    This setting is meaningful only when experimental support for ``import
    std;`` has been enabled by the ``CMAKE_EXPERIMENTAL_CXX_IMPORT_STD`` gate.

Help/variable/CMAKE_EXPORT_BUILD_DATABASE.rst

@@ -3,7 +3,7 @@ CMAKE_EXPORT_BUILD_DATABASE
 
 .. versionadded:: 3.31
 
-.. note ::
+.. note::
 
    This variable is meaningful only when experimental support for build
    databases has been enabled by the