fix(ci) remove all ssh steps for CI (#250)

Author: cgoetz-inovex

.github/workflows/ci.yaml

@@ -43,11 +43,6 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - name: Install SSH Key
-        uses: shimataro/ssh-key-action@v2
-        with:
-          key: ${{ secrets.SSH_PRIVATE_KEY }}
-          known_hosts: ${{ vars.SSH_KNOWN_HOSTS }}
       - name: Install Java
         uses: actions/setup-java@v4
         with:
@@ -80,11 +75,6 @@ jobs:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     runs-on: ${{ matrix.os }}
     steps:
-      - name: Install SSH Key
-        uses: shimataro/ssh-key-action@v2
-        with:
-          key: ${{ secrets.SSH_PRIVATE_KEY }}
-          known_hosts: ${{ vars.SSH_KNOWN_HOSTS }}
       - name: Install Java
         uses: actions/setup-java@v4
         with:
@@ -120,11 +110,6 @@ jobs:
       matrix:
         java-version: ["17", "21", "25"]
     steps:
-      - name: Install SSH Key
-        uses: shimataro/ssh-key-action@v2
-        with:
-          key: ${{ secrets.SSH_PRIVATE_KEY }}
-          known_hosts: ${{ vars.SSH_KNOWN_HOSTS }}
       - name: Install Java
         uses: actions/setup-java@v4
         with: