use cp command instead

Author: pablomendezroyo

.github/workflows/release.yml

@@ -81,7 +81,7 @@ jobs:
         run: |
           file=$(ls images/Dappnode-debian-*.iso)
           attended_filename="${file/images\/Dappnode-/Dappnode-${CORE_VERSION}-}"
-          mv "$file" "$attended_filename"
+          cp "$file" "$attended_filename"
 
       - name: Build Debian unattended
         run: |
@@ -98,7 +98,7 @@ jobs:
           file=$(ls images/Dappnode-debian-*.iso) 
           core_filename="${file/images\/Dappnode-/Dappnode-${CORE_VERSION}-}"
           unattended_filename="${core_filename/%.iso/-unattended.iso}"
-          mv "$file" "$unattended_filename"
+          cp "$file" "$unattended_filename"
 
       - name: Build Ubuntu attended
         run: |
@@ -114,7 +114,7 @@ jobs:
         run: |
           file=$(ls images/Dappnode-ubuntu-*.iso)
           attended_filename="${file/images\/Dappnode-/Dappnode-${CORE_VERSION}-}"
-          mv "$file" "$attended_filename"
+          cp "$file" "$attended_filename"
 
       - name: Build Ubuntu unattended
         run: |
@@ -131,7 +131,7 @@ jobs:
           file=$(ls images/Dappnode-ubuntu-*.iso)
           core_filename="${file/images\/Dappnode-/Dappnode-${CORE_VERSION}-}"
           unattended_filename="${core_filename/%.iso/-unattended.iso}"
-          mv "$file" "$unattended_filename"
+          cp "$file" "$unattended_filename"
 
       - name: Create dappnode_profile.sh
         run: |