tsk-100: Name change (#101)

From `icarus_dm` -> `idm`.

Closes #100

Reviewed-on: phoenix/icarus_dm#101

.github/workflows/rust-ubuntu-latest.yml

@@ -15,19 +15,17 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-    - uses: actions/checkout@v5
-    - name: Install Rust version
-      run: rustup install 1.95 && rustup default 1.95
-
-    - name: Debug secret
-      run: echo "${{ secrets.MYREPO_TOKEN }}" | head -c 10 ; echo "..."
-    
+    - uses: actions/checkout@v6
+    - uses: actions-rust-lang/setup-rust-toolchain@v1
+      with:
+        toolchain: 1.95
+    - uses: Swatinem/rust-cache@v2
     - name: Build
       run: |
         mkdir -p ~/.ssh
         echo "$EXTREPO_KEY" > ~/.ssh/gitlab_deploy_key
         chmod 600 ~/.ssh/gitlab_deploy_key
-        ssh-keyscan ${{ vars.MYHOST }}= >> ~/.ssh/known_hosts
+        ssh-keyscan ${{ secrets.MYHOST }}= >> ~/.ssh/known_hosts
 
         eval $(ssh-agent -s)
         ssh-add -v ~/.ssh/gitlab_deploy_key