Automatic changelog for PR #5100 [ci skip]

html/changelogs/AutoChangeLog-pr-5100.yml

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+author: "realforest2001"
+delete-after: True
+changes:
+  - rscadd: "Added a new almayer hull type (heavy reinforced) which is indestructible by normal means until after hijack collision."
+  - rscadd: "Added a new subtype of shutter that automatically opens or closes depending on security level."
+  - maptweak: "Maps both of the above around the engineering storeroom. Also adds the walls between the firing ranges and around uniform vendors."
+  - maptweak: "Manual control button for shutters over engineering storage in the CEs office."
+  - code_imp: "Changes hijack structural changes (walls/windows/windoors/ladders) to use signals."