Remove and prevent trailing whitespace (#10199)

* Remove trailing whitespace.

* Add no-trailing-whitespace extra test.

* Re-add needed trailing whitespace.

* Remove one more trailing whitespace.

docs/docsite/helper/keep_keys/filter_guide-abstract_informations-lists_of_dictionaries-keep_keys.rst.j2

@@ -36,7 +36,7 @@ gives
 
    result:
      {{ tests.0.result | to_yaml(indent=2) | indent(5) }}
- 
+
 .. versionadded:: 9.1.0
 
 * The results of the below examples 1-5 are all the same:

docs/docsite/helper/remove_keys/filter_guide-abstract_informations-lists_of_dictionaries-remove_keys.rst.j2

@@ -36,7 +36,7 @@ gives
 
    result:
      {{ tests.0.result | to_yaml(indent=2) | indent(5) }}
- 
+
 .. versionadded:: 9.1.0
 
 * The results of the below examples 1-5 are all the same:

docs/docsite/helper/replace_keys/filter_guide-abstract_informations-lists_of_dictionaries-replace_keys.rst.j2

@@ -37,7 +37,7 @@ gives
 
    result:
      {{ tests.0.result | to_yaml(indent=2) | indent(5) }}
- 
+
 .. versionadded:: 9.1.0
 
 * The results of the below examples 1-3 are all the same:

docs/docsite/rst/filter_guide-abstract_informations-lists_of_dictionaries-keep_keys.rst

@@ -44,7 +44,7 @@ gives
      - {k0_x0: A0, k1_x1: B0}
      - {k0_x0: A1, k1_x1: B1}
 
- 
+
 .. versionadded:: 9.1.0
 
 * The results of the below examples 1-5 are all the same:

docs/docsite/rst/filter_guide-abstract_informations-lists_of_dictionaries-remove_keys.rst

@@ -46,7 +46,7 @@ gives
      - k2_x2: [C1]
        k3_x3: bar
 
- 
+
 .. versionadded:: 9.1.0
 
 * The results of the below examples 1-5 are all the same:

docs/docsite/rst/filter_guide-abstract_informations-lists_of_dictionaries-replace_keys.rst

@@ -53,7 +53,7 @@ gives
        k2_x2: [C1]
        k3_x3: bar
 
- 
+
 .. versionadded:: 9.1.0
 
 * The results of the below examples 1-3 are all the same:

docs/docsite/rst/filter_guide-abstract_informations-lists_of_dictionaries.rst

@@ -4,7 +4,7 @@
   SPDX-License-Identifier: GPL-3.0-or-later
 
 .. _ansible_collections.community.general.docsite.filter_guide.filter_guide_abstract_informations.lists_of_dicts:
-  
+
 Lists of dictionaries
 ^^^^^^^^^^^^^^^^^^^^^