chore: update description for scanners and format inputs (#407)

Signed-off-by: Nikita Pivkin <nikita.pivkin@smartforce.io>

README.md

@@ -659,7 +659,7 @@ Following inputs can be used as `step.with` keys:
 | `input` | String | | Tar reference, e.g. `alpine-latest.tar` |
 | `image-ref` | String | | Image reference, e.g. `alpine:3.10.2` |
 | `scan-ref` | String | `/github/workspace/` | Scan reference, e.g. `/github/workspace/` or `.` |
-| `format` | String | `table` | Output format (`table`, `json`, `sarif`, `github`) |
+| `format` | String | `table` | Output format (`table`, `json`, `template`, `sarif`, `cyclonedx`, `spdx`, `spdx-json`, `github`, `cosign-vuln`) |
 | `template` | String | | Output template (`@/contrib/gitlab.tpl`, `@/contrib/junit.tpl`) |
 | `tf-vars` | String | | path to Terraform variables file |
 | `output` | String | | Save results to a file |
@@ -674,7 +674,7 @@ Following inputs can be used as `step.with` keys:
 | `ignore-policy` | String | | Filter vulnerabilities with OPA rego language |
 | `hide-progress` | String | `false` | Suppress progress bar and log output |
 | `list-all-pkgs` | String | | Output all packages regardless of vulnerability |
-| `scanners` | String | `vuln,secret` | comma-separated list of what security issues to detect (`vuln`,`secret`,`config`) |
+| `scanners` | String | `vuln,secret` | comma-separated list of what security issues to detect (`vuln`,`secret`,`misconfig`,`license`) |
 | `trivyignores` | String | | comma-separated list of relative paths in repository to one or more `.trivyignore` files |
 | `trivy-config` | String | | Path to trivy.yaml config |
 | `github-pat` | String | | Authentication token to enable sending SBOM scan results to GitHub Dependency Graph. Can be either a GitHub Personal Access Token (PAT) or GITHUB_TOKEN |