Update backticks and vale exceptions in CI docs

doc/.vale/gitlab/spelling-exceptions.txt

@@ -162,6 +162,7 @@ dequarantine
 dequarantined
 dequarantining
 DevOps
+Dhall
 disambiguates
 discoverability
 dismissable
@@ -817,6 +818,7 @@ Worldline
 Xcode
 Xeon
 YouTrack
+ytt
 Yubico
 Zeitwerk
 Zendesk

doc/ci/lint.md

@@ -3,11 +3,8 @@ stage: Verify
 group: Pipeline Authoring
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
 ---
-<!-- markdownlint-disable MD044 -->
-<!-- vale gitlab.Spelling = NO -->
-# Validate .gitlab-ci.yml syntax with the CI Lint tool
-<!-- markdownlint-enable MD044 -->
-<!-- vale gitlab.Spelling = YES -->
+
+# Validate `.gitlab-ci.yml` syntax with the CI Lint tool
 
 If you want to test the validity of your GitLab CI/CD configuration before committing
 the changes, you can use the CI Lint tool. This tool checks for syntax and logical

doc/ci/pipelines/parent_child_pipelines.md

@@ -156,15 +156,11 @@ build a matrix of targets and architectures.
 <i class="fa fa-youtube-play youtube" aria-hidden="true"></i>
 For an overview, see [Create child pipelines using dynamically generated configurations](https://youtu.be/nMdfus2JWHM).
 
-<!-- vale gitlab.Spelling = NO -->
-
 We also have an example project using
 [Dynamic Child Pipelines with Jsonnet](https://gitlab.com/gitlab-org/project-templates/jsonnet)
 which shows how to use a data templating language to generate your `.gitlab-ci.yml` at runtime.
 You could use a similar process for other templating languages like
-[Dhall](https://dhall-lang.org/) or [`ytt`](https://get-ytt.io/).
-
-<!-- vale gitlab.Spelling = NO -->
+[Dhall](https://dhall-lang.org/) or [ytt](https://get-ytt.io/).
 
 The artifact path is parsed by GitLab, not the runner, so the path must match the
 syntax for the OS running GitLab. If GitLab is running on Linux but using a Windows

doc/ci/yaml/index.md

@@ -5,11 +5,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 type: reference
 ---
 
-<!-- markdownlint-disable MD044 -->
-<!-- vale gitlab.Spelling = NO -->
-# Keyword reference for the .gitlab-ci.yml file **(FREE)**
-<!-- vale gitlab.Spelling = YES -->
-<!-- markdownlint-enable MD044 -->
+# Keyword reference for the `.gitlab-ci.yml` file **(FREE)**
 
 This document lists the configuration options for your GitLab `.gitlab-ci.yml` file.