build(deps): bump github.com/sylabs/sif/v2 from 2.7.2 to 2.8.0

Bumps [github.com/sylabs/sif/v2](https://github.com/sylabs/sif) from 2.7.2 to 2.8.0.
- [Release notes](https://github.com/sylabs/sif/releases)
- [Changelog](https://github.com/sylabs/sif/blob/main/.goreleaser.yml)
- [Commits](sylabs/sif@v2.7.2...v2.8.0)

---
updated-dependencies:
- dependency-name: github.com/sylabs/sif/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/sigstore/sigstore v1.4.2
 	github.com/sirupsen/logrus v1.9.0
 	github.com/stretchr/testify v1.8.0
-	github.com/sylabs/sif/v2 v2.7.2
+	github.com/sylabs/sif/v2 v2.8.0
 	github.com/theupdateframework/go-tuf v0.5.1
 	github.com/ulikunitz/xz v0.5.10
 	github.com/vbatts/tar-split v0.11.2

go.sum

@@ -1426,8 +1426,8 @@ github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1F
 github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
-github.com/sylabs/sif/v2 v2.7.2 h1:eCxtl2ub9fPfrO7g2JPagn6HKDhv+Kl92Jz6+ww2Y1Q=
-github.com/sylabs/sif/v2 v2.7.2/go.mod h1:LQOdYXC9a8i7BleTKRw9lohi0rTbXkJOeS9u0ebvgyM=
+github.com/sylabs/sif/v2 v2.8.0 h1:FIfWA1fYSFynKD1LJwGbWJ2ib8ylT8XwZl9naLlciPE=
+github.com/sylabs/sif/v2 v2.8.0/go.mod h1:LQOdYXC9a8i7BleTKRw9lohi0rTbXkJOeS9u0ebvgyM=
 github.com/sylvia7788/contextcheck v1.0.4/go.mod h1:vuPKJMQ7MQ91ZTqfdyreNKwZjyUg6KO+IebVyQDedZQ=
 github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
 github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=