ci: upgrade EC2 runner action to restore runner registration (#9430)

ci: update EC2 runner action for minimum runner version enforcement

Signed-off-by: evenyag <realevenyag@gmail.com>
(cherry picked from commit 0d502e1fc1)
Signed-off-by: WenyXu <wenymedia@gmail.com>

.github/actions/start-runner/action.yml

@@ -56,7 +56,7 @@ runs:
 
     - name: Start EC2 runner
       if: startsWith(inputs.runner, 'ec2')
-      uses: machulav/ec2-github-runner@v2.3.8
+      uses: machulav/ec2-github-runner@v2.6.1
       id: start-linux-arm64-ec2-runner
       with:
         mode: start

.github/actions/stop-runner/action.yml

@@ -33,7 +33,7 @@ runs:
 
     - name: Stop EC2 runner
       if: ${{ inputs.label && inputs.ec2-instance-id }}
-      uses: machulav/ec2-github-runner@v2.3.8
+      uses: machulav/ec2-github-runner@v2.6.1
       with:
         mode: stop
         label: ${{ inputs.label }}