github: fix build-deb-packages

.github/workflows/build-deb-packages.yml

@@ -61,8 +61,7 @@ jobs:
             chmod +x debian/rules
             echo "9" > debian/compat
             echo "xnec2c ($VERSION) unstable; urgency=low\n\n  * Initial release.\n\n -- Your Name <[email protected]>  $(date -R)" > debian/changelog
-            cat > debian/control <<'EOL'
-Source: xnec2c
+            echo "Source: xnec2c
 Section: utils
 Priority: optional
 Maintainer: Your Name <[email protected]>
@@ -72,12 +71,11 @@ Homepage: https://www.example.com
 
 Package: xnec2c
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}
+Depends: \${shlibs:Depends}, \${misc:Depends}
 Description: A multi-threaded EM tool to model antenna near- and far-field radiation patterns.
  Xnec2c is a high-performance multi-threaded electromagnetic simulation
  package to model antenna near- and far-field radiation patterns for
- Linux and UNIX operating systems.
-EOL
+ Linux and UNIX operating systems." > debian/control
           fi
 
       - name: Build the DEB package using debuild