Fix docker warnings (#3853)

* [automation] Auto-update linters version, help and documentation

* [MegaLinter] Apply linters fixes

* Remove swiftlint deprecated --path argument

* Fix docker issues

* build

---------

Co-authored-by: nvuillam <nvuillam@users.noreply.github.com>

.automation/build.py

@@ -397,7 +397,7 @@ def build_dockerfile(
                     is_docker_other_run = False
                     docker_other += [dockerfile_item]
                 all_dockerfile_items += [dockerfile_item]
-            docker_other += [""]
+            docker_other += ["#"]
         # Collect python packages
         if "apk" in item["install"]:
             apk_packages += item["install"]["apk"]

CHANGELOG.md

@@ -32,6 +32,10 @@ Note: Can be used with `oxsecurity/megalinter@beta` in your GitHub Action mega-l
 - Flavors
 
 - CI
+  - Fix docker warnings
+    - FromAsCasing: 'as' and 'FROM' keywords' casing do not match
+    - NoEmptyContinuation: Empty continuation line
+    - SecretsUsedInArgOrEnv: Do not use ARG or ENV instructions for sensitive data
 
 - Linter versions upgrades
   - [protolint](https://github.com/yoheimuta/protolint) from 0.50.2 to **0.50.3** on 2024-07-07