fix(deps): bump com.amazonaws:aws-java-sdk-bom from 1.12.748 to 1.12.749

Bumps [com.amazonaws:aws-java-sdk-bom](https://github.com/aws/aws-sdk-java) from 1.12.748 to 1.12.749.
- [Changelog](https://github.com/aws/aws-sdk-java/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-java@1.12.748...1.12.749)

---
updated-dependencies:
- dependency-name: com.amazonaws:aws-java-sdk-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

sda-commons-server-s3-testing/build.gradle

@@ -2,7 +2,7 @@ dependencies {
  api project(':sda-commons-server-testing')
 
  // old AWS SDK v1 is only used internally by robothy
- api enforcedPlatform("com.amazonaws:aws-java-sdk-bom:1.12.748")
+ api enforcedPlatform("com.amazonaws:aws-java-sdk-bom:1.12.749")
  api 'io.github.robothy:local-s3-jupiter:1.15', {
  exclude group: 'software.amazon.awssdk'
  exclude group: 'com.amazonaws', module: 'aws-java-sdk'