Remove unused import from the KinesisBinderObservationTests

* Update GHA workflows to the reusable workflows `v5`

Author: artembilan

.github/workflows/ci-snapshot.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   build_snapshot:
-    uses: spring-io/spring-github-workflows/.github/workflows/spring-artifactory-maven-snapshot.yml@main
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-artifactory-maven-snapshot.yml@v5
     with:
       mavenArgs: -U
     secrets:

.github/workflows/pr-build.yml

@@ -7,4 +7,4 @@ on:
 
 jobs:
   build:
-    uses: spring-io/spring-github-workflows/.github/workflows/spring-maven-pull-request-build.yml@main
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-maven-pull-request-build.yml@v5

.github/workflows/release.yml

@@ -12,13 +12,13 @@ jobs:
       contents: write
       issues: write
 
-    uses: spring-io/spring-github-workflows/.github/workflows/spring-artifactory-maven-release.yml@main
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-artifactory-maven-release.yml@v5
     secrets:
       GH_ACTIONS_REPO_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
       JF_ARTIFACTORY_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
       ARTIFACTORY_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
       ARTIFACTORY_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}
-#      SPRING_RELEASE_SLACK_WEBHOOK_URL: ${{ secrets.SPRING_RELEASE_SLACK_WEBHOOK_URL }}
+      SPRING_RELEASE_CHAT_WEBHOOK_URL: ${{ secrets.SPRING_RELEASE_GCHAT_WEBHOOK_URL }}
       OSSRH_S01_TOKEN_USERNAME: ${{ secrets.OSSRH_S01_TOKEN_USERNAME }}
       OSSRH_S01_TOKEN_PASSWORD: ${{ secrets.OSSRH_S01_TOKEN_PASSWORD }}
       OSSRH_STAGING_PROFILE_NAME: ${{ secrets.OSSRH_STAGING_PROFILE_NAME }}

spring-cloud-stream-binder-kinesis/src/test/java/org/springframework/cloud/stream/binder/kinesis/observation/KinesisBinderObservationTests.java

@@ -21,7 +21,6 @@
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
-import java.util.stream.Collectors;
 
 import brave.handler.SpanHandler;
 import brave.test.TestSpanHandler;