ci: add SSH authentication setup for GitHub Actions

- Add a GitHub Action workflow to set up an OpenSSH server using Docker
- Add RSA private key for SSH authentication in test data
- Add RSA public key for SSH authentication in test data
- Add OpenSSH private key for SSH authentication in test data
- Add OpenSSH public key for SSH authentication in test data

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

.github/workflows/ssh-server.yml

@@ -0,0 +1,40 @@
+name: openssh-server
+
+on: [push]
+
+jobs:
+  default-user-name-password:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: create new ssh server
+        run: |
+          docker run -d \
+          --name=openssh-server \
+          --hostname=openssh-server \
+          -p 2222:2222 \
+          -e SUDO_ACCESS=false \
+          -e PASSWORD_ACCESS=true  \
+          -e USER_PASSWORD=password  \
+          -e USER_NAME=linuxserver.io \
+          --restart unless-stopped \
+          lscr.io/linuxserver/openssh-server:latest
+          docker exec openssh-server sh -c "hostname -i" > ip.txt
+          echo "REMOTE_HOST<<EOF" >> $GITHUB_ENV
+          cat ip.txt >> $GITHUB_ENV
+          echo "EOF" >> $GITHUB_ENV
+          echo "======= container ip address ========="
+          cat ip.txt
+          echo "======================================"
+
+      - name: executing remote ssh commands using password (1.0.3)
+        uses: appleboy/ssh-action@v1.0.3
+        with:
+          host: ${{ env.REMOTE_HOST }}
+          username: linuxserver.io
+          password: password
+          port: 2222
+          script: whoami