chore(ci): update expected flattened dependencies (#14170)

Update gRPC versions in java-storage-expected-flattened-dependencies.txt
from 1.82.2 to 1.82.4 following gRPC upgrade in #14088.

Author: lqiu96

.kokoro/java-storage-expected-flattened-dependencies.txt

@@ -44,23 +44,23 @@ com.google.protobuf:protobuf-java-util:jar:4.33.6:compile
 com.google.protobuf:protobuf-java:jar:4.33.6:compile
 com.google.re2j:re2j:jar:1.8:runtime
 commons-codec:commons-codec:jar:1.18.0:compile
-io.grpc:grpc-alts:jar:1.82.2:compile
-io.grpc:grpc-api:jar:1.82.2:compile
-io.grpc:grpc-auth:jar:1.82.2:compile
-io.grpc:grpc-context:jar:1.82.2:compile
-io.grpc:grpc-core:jar:1.82.2:compile
-io.grpc:grpc-googleapis:jar:1.82.2:runtime
-io.grpc:grpc-grpclb:jar:1.82.2:compile
-io.grpc:grpc-inprocess:jar:1.82.2:compile
-io.grpc:grpc-netty-shaded:jar:1.82.2:runtime
-io.grpc:grpc-opentelemetry:jar:1.82.2:compile
-io.grpc:grpc-protobuf-lite:jar:1.82.2:runtime
-io.grpc:grpc-protobuf:jar:1.82.2:compile
-io.grpc:grpc-rls:jar:1.82.2:runtime
-io.grpc:grpc-services:jar:1.82.2:runtime
-io.grpc:grpc-stub:jar:1.82.2:compile
-io.grpc:grpc-util:jar:1.82.2:runtime
-io.grpc:grpc-xds:jar:1.82.2:runtime
+io.grpc:grpc-alts:jar:1.82.4:compile
+io.grpc:grpc-api:jar:1.82.4:compile
+io.grpc:grpc-auth:jar:1.82.4:compile
+io.grpc:grpc-context:jar:1.82.4:compile
+io.grpc:grpc-core:jar:1.82.4:compile
+io.grpc:grpc-googleapis:jar:1.82.4:runtime
+io.grpc:grpc-grpclb:jar:1.82.4:compile
+io.grpc:grpc-inprocess:jar:1.82.4:compile
+io.grpc:grpc-netty-shaded:jar:1.82.4:runtime
+io.grpc:grpc-opentelemetry:jar:1.82.4:compile
+io.grpc:grpc-protobuf-lite:jar:1.82.4:runtime
+io.grpc:grpc-protobuf:jar:1.82.4:compile
+io.grpc:grpc-rls:jar:1.82.4:runtime
+io.grpc:grpc-services:jar:1.82.4:runtime
+io.grpc:grpc-stub:jar:1.82.4:compile
+io.grpc:grpc-util:jar:1.82.4:runtime
+io.grpc:grpc-xds:jar:1.82.4:runtime
 io.opencensus:opencensus-api:jar:0.31.1:compile
 io.opencensus:opencensus-contrib-http-util:jar:0.31.1:compile
 io.opentelemetry.contrib:opentelemetry-gcp-resources:jar:1.37.0-alpha:compile