Update to use merged mainline actions, use checkout@v3 instead of checkout@v2 on all jobs

Author: Skptak

.github/workflows/ci.yml

@@ -76,7 +76,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Run doxygen build
-        uses: FreeRTOS/CI-CD-Github-Actions/doxygen@v2
+        uses: FreeRTOS/CI-CD-Github-Actions/doxygen@main
         with:
           path: ./
 
@@ -86,7 +86,7 @@ jobs:
       - name: Clone This Repo
         uses: actions/checkout@v3
       - name: Run spellings check
-        uses: FreeRTOS/CI-CD-GitHub-Actions/spellings@v2
+        uses: FreeRTOS/CI-CD-Github-Actions/spellings@main
         with:
           path: ./
 
@@ -153,7 +153,7 @@ jobs:
         with:
           python-version: '3.11.0'
       - name: Measure sizes
-        uses: FreeRTOS/CI-CD-Github-Actions/memory_statistics@v2
+        uses: FreeRTOS/CI-CD-Github-Actions/memory_statistics@main
         with:
             config: .github/memory_statistics_config.json
             check_against: docs/doxygen/include/size_table.md
@@ -165,7 +165,7 @@ jobs:
       - name: Check Links
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        uses: FreeRTOS/CI-CD-Github-Actions/link-verifier@v2
+        uses: FreeRTOS/CI-CD-Github-Actions/link-verifier@main
         with:
           path: ./
 

.github/workflows/formatting.yml

@@ -19,5 +19,5 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - name: Apply Formatting Fix
-      uses: FreeRTOS/CI-CD-Github-Actions/formatting-bot@v2
+      uses: FreeRTOS/CI-CD-Github-Actions/formatting-bot@main
       id: check-formatting

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Check if tag exists
         run: |
           git fetch origin
@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: ${{ github.event.inputs.commit_id }}
       - name: Configure git identity
@@ -87,7 +87,7 @@ jobs:
       - name: Install ZIP tools
         run: sudo apt-get install zip unzip
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           ref: ${{ github.event.inputs.commit_id }}
           path: coreMQTT