ci: bump cristalhq/.github from 0.7.0 to 0.8.1

Bumps [cristalhq/.github](https://github.com/cristalhq/.github) from 0.7.0 to 0.8.1.
- [Release notes](https://github.com/cristalhq/.github/releases)
- [Changelog](https://github.com/cristalhq/.github/blob/main/.goreleaser.yaml)
- [Commits](cristalhq/.github@v0.7.0...v0.8.1)

---
updated-dependencies:
- dependency-name: cristalhq/.github
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yaml

@@ -11,7 +11,7 @@ on:
 # See https://github.com/cristalhq/.github/.github/workflows
 jobs:
   build:
-    uses: cristalhq/.github/.github/workflows/build.yml@v0.7.0
+    uses: cristalhq/.github/.github/workflows/build.yml@v0.8.1
 
   vuln:
-    uses: cristalhq/.github/.github/workflows/vuln.yml@v0.7.0
+    uses: cristalhq/.github/.github/workflows/vuln.yml@v0.8.1