Bump patch version after integrate 1.8.8 -> 1.8.9 (#2677)

Author: sdasgup3

stablehlo/dialect/Version.cpp

@@ -85,7 +85,7 @@ Version Version::fromCompatibilityRequirement(
     case CompatibilityRequirement::WEEK_4:
       return Version(1, 8, 3);  // WEEK_4 ANCHOR: DO NOT MODIFY
     case CompatibilityRequirement::WEEK_12:
-      return Version(1, 7, 3);  // WEEK_12 ANCHOR: DO NOT MODIFY
+      return Version(1, 7, 5);  // WEEK_12 ANCHOR: DO NOT MODIFY
     case CompatibilityRequirement::MAX:
       return Version::getMinimumVersion();
   }

stablehlo/dialect/Version.h

@@ -38,7 +38,7 @@ class Version {
   static FailureOr<Version> fromString(llvm::StringRef versionRef);
 
   /// Return a Version representing the current VHLO dialect version.
-  static Version getCurrentVersion() { return Version(1, 8, 8); }
+  static Version getCurrentVersion() { return Version(1, 8, 9); }
 
   /// Return a Version representing the minimum supported VHLO dialect version.
   static Version getMinimumVersion() { return Version(0, 9, 0); }