Add GCP auth support when running out of cluster

Changelog for 0.0.3:

• PR #17 Bump alexellis/upload-assets from 0.3.0 to 0.4.0 by @dependabot[bot]
• PR #6 chore: update example and README with command and args by @Jasstkn

Commits
e41d996 Add the latest version of setup-go with caching by @alexellis
ba0fd2c Bump alexellis/upload-assets from 0.3.0 to 0.4.0 by @dependabot[bot]
c2543a2 Update Go version to 1.19 by @alexellis
1f0ed96 Update Go mod by @alexellis
a169d5a Add GCP support for out of cluster auth by @alexellis
eaca5e7 chore: update example and README with command and args by @Jasstkn

Changes: 0.0.2...0.0.3

Generated by Derek