lint(yaml): Only use true and false boolean values

Signed-off-by: 林博仁(Buo-ren Lin) <[email protected]>

Author: brlin-tw

.yamllint

@@ -133,5 +133,5 @@ rules:
   # Use this rule to forbid non-explictly typed truthy values other than `true` and `false`, for example `YES`, `False` and `off`.
   # https://yamllint.readthedocs.io/en/stable/rules.html#module-yamllint.rules.truthy
   truthy:
-    level: warning
+    allowed-values: ['true', 'false']
 ...

common.markdownlint.yml

@@ -9,7 +9,7 @@
 # SPDX-License-Identifier: CC-BY-SA-4.0 OR LicenseRef-Apache-2.0-If-Not-Used-In-Template-Projects
 
 # Inherit Markdownlint rules
-default: True
+default: true
 
 # Only allow consistent un-ordered list bullet style(allow alternations
 # in sub-levels)
@@ -25,20 +25,20 @@ no-trailing-spaces:
   br_spaces: 2
 
 # Disable line length limitation(not suitable with CJK context)
-line-length: False
+line-length: false
 
 # Allow missing padding blank line between the heading markup and the context
-blanks-around-headings: False
+blanks-around-headings: false
 
 # Allow duplicated non-sibling heading text
 no-duplicate-heading:
-  siblings_only: True
+  siblings_only: true
 
 # Allow missing padding blank line between a list and its context
-blanks-around-lists: False
+blanks-around-lists: false
 
 # Allow using raw HTML markups as workarounds of deficiencies of Markdown
-no-inline-html: False
+no-inline-html: false
 
 # Allow using YAML front matter, while not require the definition of the
 # `title` property