Move etc under detection_rules (#1885)

* Move etc directory under detection_rules
* Prepend original `etc` path with `detection_rules`
* Update docstrings in util and CODEOWNERS
* Add resiliency to tags to account for the old directory structure
* Bug fix: remove unused param caused by commit 6ed1a39efe

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>

Removed changes from:
- etc/packages.yml

(selectively cherry picked from commit 6219fc06b9)

.github/CODEOWNERS

@@ -1,13 +1,13 @@
 # detection-rules code owners
 # POC: Elastic Security Intelligence and Analytics Team
 
-tests/**/*.py     @brokensound77 @rw-access
-detection_rules/  @brokensound77 @rw-access
-tests/            @brokensound77 @rw-access
+tests/**/*.py     @brokensound77 @mikaayenson @terrancedejesus
+detection_rules/  @brokensound77 @mikaayenson @terrancedejesus
+tests/            @brokensound77 @mikaayenson @terrancedejesus
 
 # skip rta-mapping to avoid the spam
-etc/packages.yml  @brokensound77 @rw-access
-etc/*.json        @brokensound77 @rw-access
-etc/*.json        @brokensound77 @rw-access
-etc/*/*           @brokensound77 @rw-access
+detection_rules/etc/packages.yml  @brokensound77 @mikaayenson @terrancedejesus
+detection_rules/etc/*.json        @brokensound77 @mikaayenson @terrancedejesus
+detection_rules/etc/*.json        @brokensound77 @mikaayenson @terrancedejesus
+detection_rules/etc/*/*           @brokensound77 @mikaayenson @terrancedejesus
 

.github/paths-labeller.yml

@@ -3,10 +3,10 @@
   - "./**/*.md"
 - "schema":
   - "detection_rules/beats.py"
-  - "etc/beats_schemas/**/*"
+  - "detection_rules/etc/beats_schemas/**/*"
   - "detection_rules/ecs.py"
-  - "etc/ecs_schemas/**/*"
-  - "etc/api_schemas/**/*"
+  - "detection_rules/etc/ecs_schemas/**/*"
+  - "detection_rules/etc/api_schemas/**/*"
   - "detection_rules/schemas/**/*"
 - "python":
   - "detection_rules/**/*.py"

.github/workflows/lock-versions.yml

@@ -49,8 +49,8 @@ jobs:
         env:
           BRANCHES: "${{github.event.inputs.branches}}"
         run: |
-          ./etc/lock-multiple.sh $BRANCHES
-          git add etc/version.lock.json
+          ./detection_rules/etc/lock-multiple.sh $BRANCHES
+          git add detection_rules/etc/version.lock.json
 
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v3