Refactor CI/CD workflow by removing dependency cache

Removed caching step for MLonMCU dependencies and updated condition for toolchain setup.

Author: Minh Hai Chu

.github/workflows/cicd.yml

@@ -82,23 +82,12 @@ jobs:
     - name: Set MLONMCU_HOME env
       run: echo "MLONMCU_HOME=$GITHUB_WORKSPACE/mlonmcu/workspace_kws" >> $GITHUB_ENV
 
-    - name: Cache MLonMCU dependencies (ETISS, toolchains, etc.)
-      id: cache-deps
-      uses: actions/cache@v4
-      with:
-        path: |
-          mlonmcu/workspace_kws/deps
-        key: mlonmcu-deps-${{ runner.os }}-v3-${{ hashFiles('mlonmcu/requirements.txt', 'mlonmcu/setup.py') }}
-        restore-keys: |
-          mlonmcu-deps-${{ runner.os }}-v3-
-          mlonmcu-deps-${{ runner.os }}-
-
     - name: Configure Git to use HTTPS with token
       run: |
         git config --global url."https://${{ secrets.GITHUB_TOKEN }}@github.com/".insteadOf "[email protected]:"
     
     - name: Setup MLonMCU toolchain
-      if: steps.cache-deps.outputs.cache-hit != 'true'
+      if: steps.cache-mlonmcu.outputs.cache-hit != 'true'
       working-directory: mlonmcu
       shell: bash
       run: |