Ensure not to use the 'latest' tag for any GitHub actions image

Risk Level: medium
Platform: Github
Spectral Rule ID: GHAC001

REMEDIATION

Always use an exact version lock.

Examples:

• use: [email protected]
• use: [email protected]

Bad examples:

• use: ubuntu:@atest
• use: npm@master
• use: alpine

Read more:

• TBD