deps(docker): bump tenable/terrascan from 1.18.9 to 1.18.11 (#5055)

Bumps tenable/terrascan from 1.18.9 to 1.18.11.

---
updated-dependencies:
- dependency-name: tenable/terrascan
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Dockerfile

@@ -9,7 +9,7 @@ ARG GLIBC_VERSION='2.34-r0'
 #########################################
 # Get dependency images as build stages #
 #########################################
-FROM tenable/terrascan:1.18.9 as terrascan
+FROM tenable/terrascan:1.18.11 as terrascan
 FROM alpine/terragrunt:1.6.6 as terragrunt
 FROM ghcr.io/assignuser/chktex-alpine:v0.2.0 as chktex
 FROM dotenvlinter/dotenv-linter:3.3.0 as dotenv-linter