Bump @aws-sdk/client-ecr from 3.231.0 to 3.256.0

Bumps [@aws-sdk/client-ecr](https://github.com/aws/aws-sdk-js-v3/tree/HEAD/clients/client-ecr) from 3.231.0 to 3.256.0.
- [Release notes](https://github.com/aws/aws-sdk-js-v3/releases)
- [Changelog](https://github.com/aws/aws-sdk-js-v3/blob/main/clients/client-ecr/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js-v3/commits/v3.256.0/clients/client-ecr)

---
updated-dependencies:
- dependency-name: "@aws-sdk/client-ecr"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -30,7 +30,7 @@
     "@actions/core": "^1.10.0",
     "@actions/exec": "^1.1.1",
     "@actions/io": "^1.1.2",
-    "@aws-sdk/client-ecr": "^3.231.0",
+    "@aws-sdk/client-ecr": "^3.256.0",
     "@aws-sdk/client-ecr-public": "^3.231.0",
     "http-proxy-agent": "^5.0.0",
     "https-proxy-agent": "^5.0.1"