fix(deps): bump github.com/opentdf/platform/protocol/go in /examples

Bumps [github.com/opentdf/platform/protocol/go](https://github.com/opentdf/platform) from 0.5.0 to 0.8.0.
- [Release notes](https://github.com/opentdf/platform/releases)
- [Commits](sdk/v0.5.0...service/v0.8.0)

---
updated-dependencies:
- dependency-name: github.com/opentdf/platform/protocol/go
  dependency-version: 0.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

examples/go.mod

@@ -6,7 +6,7 @@ toolchain go1.24.6
 
 require (
 	github.com/opentdf/platform/lib/ocrypto v0.6.0
-	github.com/opentdf/platform/protocol/go v0.5.0
+	github.com/opentdf/platform/protocol/go v0.9.0
 	github.com/opentdf/platform/sdk v0.4.7
 	github.com/spf13/cobra v1.9.1
 	github.com/stretchr/testify v1.10.0

examples/go.sum

@@ -112,8 +112,8 @@ github.com/opentdf/platform/lib/fixtures v0.3.0 h1:pgEm9ynMDIFH7Wd/lre2tfvtura8L
 github.com/opentdf/platform/lib/fixtures v0.3.0/go.mod h1:K/r0REv5MYClnkuiCxCOT1LTXbuIDP0kqixlGmPQzXc=
 github.com/opentdf/platform/lib/ocrypto v0.6.0 h1:CvluMv44dZ4vD0oLpJEoKnm4/BGJzaH8HTcTd8I0kWg=
 github.com/opentdf/platform/lib/ocrypto v0.6.0/go.mod h1:sYhoBL1bQYgQVSSNpxU13RsrE5JAk8BABT1hfr9L3j8=
-github.com/opentdf/platform/protocol/go v0.5.0 h1:C/jUpg+DfG5gdznT909UXzKktQPLCe2hgaXBmmwk/Z0=
-github.com/opentdf/platform/protocol/go v0.5.0/go.mod h1:FwoNd0HJaxGCZf74de/yFpVP4HEjkUMoF6Br79W0TBk=
+github.com/opentdf/platform/protocol/go v0.9.0 h1:+PitVU4OavPJ8SWqTRBYgUJRZK8Ybu1lqQheHvZqKCI=
+github.com/opentdf/platform/protocol/go v0.9.0/go.mod h1:GRycoDGDxaz91sOvGZFWVEKJLluZFg2wM3NJmhucDHo=
 github.com/opentdf/platform/sdk v0.4.7 h1:rg/EKKlxYVGVA2HQ5OQofe+zsHQ9UX8COH9IhK8c4BA=
 github.com/opentdf/platform/sdk v0.4.7/go.mod h1:J7lNfRNOHK1P7/52tL7qHC+YGZiqq/iBuU9CubOJjpA=
 github.com/opentracing/opentracing-go v1.2.0 h1:uEJPy/1a5RIPAJ0Ov+OIO8OxWu77jEv+1B0VhjKrZUs=