chore: release gapic-generator-java v1.0.13 (#557)

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Synth log will be available here:
https://source.cloud.google.com/results/invocations/9a7c9fa8-4dc9-4cdc-ad4d-84efd06eacd0/targets

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PiperOrigin-RevId: 379784268
Source-Link: googleapis/googleapis@551681f

Author: yoshi-automation

proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/ProjectName.java

@@ -158,7 +158,7 @@ public Builder setProject(String project) {
     }
 
     private Builder(ProjectName projectName) {
-      project = projectName.project;
+      this.project = projectName.project;
     }
 
     public ProjectName build() {

proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/SpanName.java

@@ -204,9 +204,9 @@ public Builder setSpan(String span) {
     }
 
     private Builder(SpanName spanName) {
-      project = spanName.project;
-      trace = spanName.trace;
-      span = spanName.span;
+      this.project = spanName.project;
+      this.trace = spanName.trace;
+      this.span = spanName.span;
     }
 
     public SpanName build() {

synth.metadata

@@ -4,23 +4,23 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-trace.git",
-        "sha": "be19745d1ec295d600d560830d708885bdaba6bc"
+        "sha": "0e027c89c318bc9e6f8e9e7c806498112efab409"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "08c4eeb531c01ad031134dca94b18e3f7dd35902",
-        "internalRef": "378718217"
+        "sha": "551681f25e36b11829e87e580281350461f4f3f5",
+        "internalRef": "379784268"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "08c4eeb531c01ad031134dca94b18e3f7dd35902",
-        "internalRef": "378718217"
+        "sha": "551681f25e36b11829e87e580281350461f4f3f5",
+        "internalRef": "379784268"
       }
     },
     {