chore(bazel): update protobuf to v3.21.3 (#395)

- [ ] Regenerate this pull request now.

chore(bazel): update gax-java to 2.18.4

PiperOrigin-RevId: 463115700

Source-Link: googleapis/googleapis@52130a9

Source-Link: https://github.com/googleapis/googleapis-gen/commit/6a4d9d9bb3afb20b0f5fa4f5d9f6740b1d0eb19a
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNmE0ZDlkOWJiM2FmYjIwYjBmNWZhNGY1ZDlmNjc0MGIxZDBlYjE5YSJ9

proto-google-common-protos/src/main/java/com/google/api/ResourceDescriptor.java

@@ -2658,8 +2658,8 @@ public int getStyleValue(int index) {
      *
      * <code>repeated .google.api.ResourceDescriptor.Style style = 10;</code>
      *
-     * @param index The index of the value to return.
-     * @return The enum numeric value on the wire of style at the given index.
+     * @param index The index to set the value at.
+     * @param value The enum numeric value on the wire for style to set.
      * @return This builder for chaining.
      */
     public Builder setStyleValue(int index, int value) {