Update Continuous-Integration.yml

Update to use main branch

Author: fpistm

.github/workflows/Continuous-Integration.yml

@@ -2,7 +2,7 @@ name: STM32LowPower Continuous Integration
 on:
   push:
     branches:
-      - master
+      - main
     paths-ignore:
       - '*'
       - '**.md'
@@ -19,11 +19,11 @@ jobs:
     steps:
     # First of all, clone the repo using the checkout action.
     - name: Checkout
-      uses: actions/checkout@master
+      uses: actions/checkout@main
 
     - name: Astyle check
       id: Astyle
-      uses: stm32duino/actions/astyle-check@master
+      uses: stm32duino/actions/astyle-check@main
 
     # Use the output from the `Astyle` step
     - name: Astyle Errors
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Spell check
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@main
     - uses: arduino/actions/libraries/spell-check@master
       with:
         ignore-words-list: "./extras/codespell-ignore-words-list.txt"
@@ -45,11 +45,11 @@ jobs:
     steps:
     # First of all, clone the repo using the checkout action.
     - name: Checkout
-      uses: actions/checkout@master
+      uses: actions/checkout@main
 
     - name: Compilation
       id: Compile
-      uses: stm32duino/actions/compile-examples@master
+      uses: stm32duino/actions/compile-examples@main
       with:
         board-pattern: ".*NUCLEO.*"
         libraries: "STM32duino RTC"
@@ -59,4 +59,4 @@ jobs:
       if: failure()
       run: |
         cat ${{ steps.Compile.outputs.compile-result }}
-        exit 1
+        exit 1