Swap to using named steps for the checkout actions, fix incorrect path in the m0+ demo

Author: Skptak

.github/workflows/kernel-demos.yml

@@ -197,7 +197,7 @@ jobs:
             {
               demo: CORTEX_M0+_RP2040,
               demoDirectory: FreeRTOS/Demo,
-              buildCMD: "git submodule update --checkout --init --depth 1 FreeRTOS/Demo/ThirdParty/Community-Supported-Demos;
+              buildCMD: "git submodule update --checkout --init --depth 1 ThirdParty/Community-Supported-Demos;
                         cd ThirdParty/Community-Supported-Demos/CORTEX_M0+_RP2040;
                         git clone --depth 1 --branch 1.5.1 https://github.com/raspberrypi/pico-sdk.git;
                         cmake -B build -DPICO_SDK_PATH=pico-sdk -GNinja;
@@ -206,8 +206,7 @@ jobs:
           ]
     runs-on: ubuntu-latest
     steps:
-      - env:
-          stepName: Checkout ${{env.prUserName}}/FreeRTOS:${{env.prBranchName}} Repository
+      - name: Checkout ${{ env.prUserName }}/FreeRTOS:${{ env.prBranchName }} Repository
         id: checkout-user-fork-and-branch
         continue-on-error: true
         uses: actions/checkout@v3
@@ -217,8 +216,7 @@ jobs:
           repository: '${{ env.prUserName}}/FreeRTOS'
           fetch-depth: 1
 
-      - env:
-          stepName: Checkout ${{ env.prUserName }}/FreeRTOS:main Repository
+      - name: Checkout ${{ env.prUserName }}/FreeRTOS:main Repository
         if: ${{ steps.checkout-user-fork-and-branch.outcome }} == 'failure'
         id: checkout-user-fork
         continue-on-error: true
@@ -229,8 +227,7 @@ jobs:
           repository: '${{ env.prUserName }}/FreeRTOS'
           fetch-depth: 1
 
-      - env:
-          stepName: Checkout FreeRTOS/FreeRTOS:main Repository
+      - name: Checkout FreeRTOS/FreeRTOS:main Repository
         if: ( ${{ steps.checkout-user-fork.outcome }} == 'failure' )
         uses: actions/checkout@v3
         with: