Merge develop into main (#494)

* Updated runtime gating to enable LilyGO T-Deck specific apps and services
  * New device compatibility and model-detection APIs
  * Added a buffer-overflow error code and message
  * Updated GitHub Actions checkout to v4
  * Adjusted an LVGL-related library version
  * Device config now emits a T-Deck workaround flag when applicable
  * Removed internal developer comments and minor cleanups

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout repo"
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: "Configure Project"
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout repo"
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: "Install Python Dependencies"