name cleanup + add H100 runner + install curl

.github/actions/fetch_ctk/action.yml

@@ -20,12 +20,18 @@ runs:
         echo "CTK_CACHE_FILENAME=mini-ctk-${{ inputs.cuda-version }}-${{ inputs.host-platform }}.tar.gz" >> $GITHUB_ENV
 
     - name: Install mini CTK action dependencies
-      if: ${{ runner.environment == 'self-hosted' }}
       shell: bash --noprofile --norc -xeuo pipefail {0}
       run: |
-        apt update
-        apt install zstd sudo
-        sudo apt install -y curl
+        if (command -v curl 2>&1 >/dev/null) && (command -v zstd 2>&1 >/dev/null); then
+          echo "All dependencies are found. Do nothing."
+          exit 0
+        fi
+        if ! command -v sudo 2>&1 >/dev/null; then
+          echo "The following oprations require sudo access."
+          exit 1
+        fi
+        sudo apt update
+        sudo apt install -y zstd curl
 
     - name: Download CTK cache
       id: ctk-get-cache