Update forgejo workflow to use libsodium

.forgejo/workflows/unittests.yml

@@ -6,9 +6,15 @@ on:
 
 jobs:
   build-and-run-tests:
-    runs-on: any_archLinux
+    runs-on: docker_arch
     steps:
+      - run: pacman --noconfirm -Syu git cmake libsodium
+        name: Update and get dependencies
       - run: git clone --depth=1 --no-single-branch https://git.seodisparate.com/stephenseo/UDPConnection.git UDPC
+        name: Get repository
       - run: cd UDPC && git checkout $GITHUB_REF_NAME
+        name: Checkout git repository
       - run: cd UDPC && cmake -S . -B buildDebug -DCMAKE_BUILD_TYPE=Debug
+        name: Configure with CMake
       - run: make -C UDPC/buildDebug && ./UDPC/buildDebug/UnitTest
+        name: Build and test