Fixed shell bash stuff around rust

.forgejo/workflows/build-packages.yml

@@ -34,13 +34,14 @@ jobs:
       image: ubuntu:latest
     steps:
       - name: Setup build environment
+        shell: bash
         run: |
           apt update -y
           apt install -y git curl pkg-config build-essential gnupg
           
           # Install Rust using rustup to get the latest version
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-          source ~/.cargo/env
+          . ~/.cargo/env
           
           # Verify Rust version
           rustc --version
@@ -182,11 +183,12 @@ jobs:
           cp -r ../debian .
 
       - name: Build bootc package
+        shell: bash
         run: |
           cd bootc-${BOOTC_VERSION}
           echo "Building bootc package with libostree compatibility patch..."
           # Source Rust environment for the build
-          source ~/.cargo/env
+          . ~/.cargo/env
           dpkg-buildpackage -us -uc -b
 
       - name: List built packages