Github Actions: Update CI to use Arm GNU Toolchain version 12.2.Rel1

Author: mbrossard

.github/workflows/linux.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        gcc: ['10.3-2021.10']
+        gcc: ['12.2.Rel1']
 
     steps:
     - name: Install Arm GNU Toolchain (arm-none-eabi-gcc)

.github/workflows/pr.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        gcc: ['10.3-2021.10']
+        gcc: ['12.2.Rel1']
 
     steps:
     - name: Install Arm GNU Toolchain (arm-none-eabi-gcc)

.github/workflows/windows.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: windows-2019
     strategy:
       matrix:
-        gcc: ['10.3-2021.10']
+        gcc: ['12.2.Rel1']
 
     steps:
     - name: Install Arm GNU Toolchain (arm-none-eabi-gcc)