chore(deps): bump datum-cloud/actions/.github/workflows/snyk-scan.yaml

Bumps [datum-cloud/actions/.github/workflows/snyk-scan.yaml](https://github.com/datum-cloud/actions) from 1.16.0 to 1.18.0.
- [Release notes](https://github.com/datum-cloud/actions/releases)
- [Commits](datum-cloud/actions@605da9a...ae21ec8)

---
updated-dependencies:
- dependency-name: datum-cloud/actions/.github/workflows/snyk-scan.yaml
  dependency-version: 1.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/snyk-scan.yaml

@@ -18,7 +18,7 @@ jobs:
       contents: read
       security-events: write
       actions: read
-    uses: datum-cloud/actions/.github/workflows/snyk-scan.yaml@605da9a9cc20ab7266d1635ec4ba9cd4f223f68c # v1.16.0
+    uses: datum-cloud/actions/.github/workflows/snyk-scan.yaml@ae21ec822981e1ab9e48023ac3da57c964edad04 # v1.18.0
     with:
       severity-threshold: high
       upload-sarif: true