Bump software.amazon.awssdk:bom from 2.26.4 to 2.26.7 (#292)

Bumps software.amazon.awssdk:bom from 2.26.4 to 2.26.7.

---
updated-dependencies:
- dependency-name: software.amazon.awssdk:bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Diff for: build.gradle.kts

@@ -24,7 +24,7 @@ dependencies {
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactive")
     testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test")
 
-    implementation(platform("software.amazon.awssdk:bom:2.26.4"))
+    implementation(platform("software.amazon.awssdk:bom:2.26.7"))
     implementation("software.amazon.awssdk:s3")
     testImplementation("software.amazon.awssdk:sts")