Update versions of the actions

Update versions of the actions which run on Node16

Update scanner base image to sonar-scanner-cli:4.8

• Update scanner base image to sonar-scanner-cli:4.8

Update README to mention SonarCloud Scan for C and C++

Update README to mention SonarCloud Scan for C and C++

Update scanner base image to sonar-scanner-cli:4.7

• Update scanner base image to sonar-scanner-cli:4.7
• Perform Maven/Gradle check in the projectBaseDir

Update scanner base image to sonar-scanner-cli:4.6

v1.6

Upgrade to sonar-scanner-cli:4.6

Update scanner base image to sonar-scanner-cli:4.5

Update the scanner base image to use the latest version of sonar-scanner-cli.

Add the "args" option

v1.4

Add args option to action (#9)

Speed-up initialization of action

by using the built image of scanner CLI

Support triggering from GitHub event "pull_request"

Upgrading to version 1.2 requires to add the trigger on pull_request in order to analyze pull requests, for example:

on:
  # Trigger analysis when pushing in master or pull requests, and when creating
  # a pull request. 
  push:
    branches:
      - master
  pull_request:
      types: [opened, synchronize, reopened]

Compatibility with Actions v2

• action.yml file added
• code snippet updated in the README file to provide JSON format