chore(deps): update dependency slsa-framework/slsa-verifier to v2.7.0

tools/slsa-verifier/manifest.yaml

 # yaml-language-server: $schema=https://tools.uniget.dev/schema.yaml
 name: slsa-verifier
-version: "2.6.0"
+version: "2.7.0"
 check: ${binary} version 2>&1 | grep ^GitVersion | tr -s ' ' | cut -d' ' -f2
 tags:
 - category/security