Integrate gitlab-ci/bb-recipe-linter and 1 more

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@44000de1

Check bitbake recipes with linter

The job checks bitbake recipes added/updated in MR using the
oelint-adv tool (https://github.com/priv-kweihmann/oelint-adv).

.oelint.json is a rulefile, created with the command
"oelint-adv --print-rulefile". It can be used during development.
It contains default rules for now, but will probably be customized later.

To get the list of changed files in MR, we adjusted the GIT_DEPTH variable.
The new value is 50, which should be fine for getting MR changes,
and still small enough to keep checkout fast for large projects.

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Commit: seco-ne/yocto/infrastructure/gitlab-ci@9d9574d1

convert_md2html: fix text duplication

Fix the problem introduced by commit 4f06516 "convert_md2html: fix id
fields for headings".

The text converted from markdown was written twice to the HTML document.

.gitlab-ci @ 44000de1

-Subproject commit 4f06516ae2186d539f2daf214d96138e486affdd
+Subproject commit 44000de140798d4aeff5909808a88d8cd0e4770d

.gitlab-ci.yml

@@ -4,8 +4,8 @@
 # ---------------------------------------------------------------------------------------
 include:
   - project: '${CI_PROJECT_ROOT_NAMESPACE}/yocto/infrastructure/gitlab-ci'
-    ref: 4f06516ae2186d539f2daf214d96138e486affdd
+    ref: 44000de140798d4aeff5909808a88d8cd0e4770d
     file: 'manifest-integration.yml'
 
 variables:
-  GITLAB_CI_REVISION: 4f06516ae2186d539f2daf214d96138e486affdd
+  GITLAB_CI_REVISION: 44000de140798d4aeff5909808a88d8cd0e4770d