Fix action

.github/actions/install-build/action.yml

@@ -21,10 +21,13 @@ runs:
         python-version: '3.9'
     - name: Get current date
       id: dateAndTime
+      shell: bash
       run: echo "dateAndTime=$(date +'%Y-%m-%d-%H:%M')" >> $GITHUB_OUTPUT
     - name: Install PlatformIO Core
+      shell: bash
       run: pip install --upgrade platformio
     - name: Run unit tests
+      shell: bash
       run: mkdir -p junit-reports && pio test -e native_test_only --junit-output-path junit-reports/
     - name: Publish Test Report
       uses: mikepenz/action-junit-report@v4
@@ -33,7 +36,8 @@ runs:
         report_paths: '**/junit-reports/*.xml'
         detailed_summary: true
     - name: Build BTClock firmware
+      shell: bash
       run: pio run -e lolin_s3_mini_qr 
-
     - name: Build BTClock filesystem
+      shell: bash
       run: pio run -e lolin_s3_mini_qr --target buildfs