Drop i386 build because Ubuntu no longer supports it

Author: zdohnal

.github/workflows/build.yml

@@ -11,7 +11,7 @@ on:
       - 2.4.x
 
 jobs:
-  build-linux:
+  build-linux-openssl:
 
     runs-on: ubuntu-latest
 
@@ -32,25 +32,23 @@ jobs:
     - name: test
       run: make test
 
-  build-linux-i386:
+  build-linux-gnutls:
 
     runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v6
     - name: show Ubuntu version
       run: cat /etc/os-release | grep PRETTY_NAME | awk -F '=' '{print $2}'
-    - name: setup multiarch for i386
-      run: sudo dpkg --add-architecture i386
     - name: update build environment
       run: sudo apt-get update --fix-missing -y
     - name: install prerequisites
-      run: sudo apt-get install -y avahi-daemon libavahi-client-dev libavahi-client-dev:i386 libgnutls28-dev libgnutls28-dev:i386 libpam-dev libpam-dev:i386 libusb-1.0-0-dev libusb-1.0-0-dev:i386 zlib1g-dev zlib1g-dev:i386 crossbuild-essential-i386 libgcc-s1:i386 libstdc++6:i386
+      run: sudo apt-get install -y avahi-daemon libavahi-client-dev libgnutls28-dev libpam-dev libusb-1.0-0-dev zlib1g-dev
     - name: configure
       env:
-        CC: /usr/bin/i686-linux-gnu-gcc
-        CXX: /usr/bin/i686-linux-gnu-g++
-      run: ./configure --enable-debug --enable-maintainer --host=i686-pc-linux-gnu --target=i686-pc-linux-gnu --with-tls=gnutls
+        CC: /usr/bin/gcc
+        CXX: /usr/bin/g++
+      run: ./configure --enable-debug --enable-maintainer --with-tls=gnutls
     - name: make
       run: make
     - name: test