Merge branch 'main' into generate-libraries-main

Author: rahul2393

.github/release-please.yml

@@ -46,3 +46,7 @@ branches:
     bumpMinorPreMajor: true
     handleGHRelease: true
     branch: 6.88.x
+  - releaseType: java-backport
+    bumpMinorPreMajor: true
+    handleGHRelease: true
+    branch: 6.96.x

.github/sync-repo-settings.yaml

@@ -182,6 +182,27 @@ branchProtectionRules:
       - units-with-multiplexed-session (11)
       - unmanaged_dependency_check
       - library_generation
+  - pattern: 6.96.x
+    isAdminEnforced: true
+    requiredApprovingReviewCount: 1
+    requiresCodeOwnerReviews: true
+    requiresStrictStatusChecks: false
+    requiredStatusCheckContexts:
+      - dependencies (17)
+      - lint
+      - javadoc
+      - units (8)
+      - units (11)
+      - 'Kokoro - Test: Integration'
+      - 'Kokoro - Test: Integration with Multiplexed Sessions'
+      - cla/google
+      - checkstyle
+      - compile (8)
+      - compile (11)
+      - units-with-multiplexed-session (8)
+      - units-with-multiplexed-session (11)
+      - unmanaged_dependency_check
+      - library_generation
 permissionRules:
   - team: yoshi-admins
     permission: admin

google-cloud-spanner/src/main/java/com/google/cloud/spanner/spi/v1/GapicSpannerRpc.java

@@ -224,7 +224,7 @@ public class GapicSpannerRpc implements SpannerRpc {
       PathTemplate.create("projects/{project}");
   private static final PathTemplate OPERATION_NAME_TEMPLATE =
       PathTemplate.create("{database=projects/*/instances/*/databases/*}/operations/{operation}");
-  private static final int MAX_MESSAGE_SIZE = 100 * 1024 * 1024;
+  private static final int MAX_MESSAGE_SIZE = 256 * 1024 * 1024;
   private static final int MAX_METADATA_SIZE = 32 * 1024; // bytes
   private static final String PROPERTY_TIMEOUT_SECONDS =
       "com.google.cloud.spanner.watchdogTimeoutSeconds";