chore: change app variant from 'bitcoin' to 'acre' in github ci

Author: keiff3r

.github/workflows/build_and_functional_tests.yml

@@ -23,7 +23,7 @@ jobs:
     uses: LedgerHQ/ledger-app-workflows/.github/workflows/reusable_build.yml@v1
     with:
       upload_app_binaries_artifact: "compiled_app_binaries"
-      flags: "DEBUG=0 COIN=bitcoin_testnet"
+      flags: "DEBUG=0 COIN=acre_testnet"
 
   ragger_tests:
     name: Run ragger tests using the reusable workflow

.github/workflows/ci-workflow.yml

@@ -40,9 +40,9 @@ jobs:
 
       - name: Build
         run: |
-          make DEBUG=0 COIN=bitcoin BOLOS_SDK=${{ matrix.SDK }} && mv bin/ acre-bin/
+          make DEBUG=0 COIN=acre BOLOS_SDK=${{ matrix.SDK }} && mv bin/ acre-bin/
           make clean
-          make DEBUG=0 COIN=bitcoin_testnet BOLOS_SDK=${{ matrix.SDK }} && mv bin/ acre-testnet-bin/
+          make DEBUG=0 COIN=acre_testnet BOLOS_SDK=${{ matrix.SDK }} && mv bin/ acre-testnet-bin/
       - name: Upload Acre app binary
         uses: actions/upload-artifact@v4
         with: