Release only UF2 firmware assets

.github/workflows/release.yml

@@ -69,7 +69,7 @@ jobs:
 
           find build/openpuck build/openpuck-recovery \
             -maxdepth 1 -type f \
-            \( -name '*.uf2' -o -name '*.zip' \) \
+            -name '*.uf2' \
             -print | while read -r f; do
             base="$(basename "$f")"
             dir="$(basename "$(dirname "$f")")"
@@ -99,7 +99,6 @@ jobs:
 
             ### Files included:
 
-            - `.zip` files for Adafruit DFU tool
-            - `.uf2` files for drag-and-drop flashing, if generated by the board core
+            - `.uf2` files for drag-and-drop flashing
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}