fix automation

.github/workflows/release.yml

@@ -5,7 +5,8 @@ on:
     tags:
       - 'v[0-9]+.[0-9]+.[0-9]+'
 
-env.firmware_version: '0.74.2'
+env:
+  firmware_version: '0.74.2'
 
 jobs:
   build:

scripts/update-firmware.sh

@@ -31,7 +31,7 @@ fi
 print_status notice "new qrcode version: $VER"
 
 # update firmware version in automation
-sed -i -e "/^env.firmware_version:/s/'.*'/'$FIRMWARE_VER'/" .github/workflows/release.yml
+sed -i -e "/firmware_version:/s/'.*'/'$FIRMWARE_VER'/" .github/workflows/release.yml
 
 # commit and tag
 git add .github/workflows/release.yml