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 0.9.0.
- [Release notes](https://github.com/opentdf/platform/releases)
- [Commits](sdk/v0.5.0...service/v0.9.0)

---
updated-dependencies:
- dependency-name: github.com/opentdf/platform/protocol/go
  dependency-version: 0.9.0
  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 v0.7.0
+	github.com/opentdf/platform/protocol/go v0.9.0
 	github.com/opentdf/platform/sdk v0.7.0
 	github.com/spf13/cobra v1.9.1
 	github.com/stretchr/testify v1.10.0

examples/go.sum

@@ -118,8 +118,8 @@ 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 v0.7.0 h1:N04m0sgGR7inFVUf7HNjXAIP41XAJ85lO51pISv9nOE=
-github.com/opentdf/platform/protocol/go v0.7.0/go.mod h1:GRycoDGDxaz91sOvGZFWVEKJLluZFg2wM3NJmhucDHo=
+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 v0.7.0 h1:8hczDycXGY1ucdIXSrP17oW/Eyu3vsb4LEX4hc7tvVY=
 github.com/opentdf/platform/sdk v0.7.0/go.mod h1:CTJR1NXeYe896M1/VN0h+1Ff54SdBtxv4z18BGTi8yk=
 github.com/opentracing/opentracing-go v1.2.0 h1:uEJPy/1a5RIPAJ0Ov+OIO8OxWu77jEv+1B0VhjKrZUs=