fix: release scripts from issuing overlapping phases (#761)

This PR was generated using Autosynth. 🌈

Synth log will be available here:
https://source.cloud.google.com/results/invocations/f801d6e1-7607-45e4-94e5-d42084e06fc7/targets

- [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.)

Source-Link: googleapis/synthtool@8285c2b

Author: yoshi-automation

.kokoro/release/snapshot.sh

@@ -25,7 +25,7 @@ grep SNAPSHOT versions.txt
 setup_environment_secrets
 create_settings_xml_file "settings.xml"
 
-mvn clean install deploy -B \
+mvn clean deploy -B \
   --settings ${MAVEN_SETTINGS_FILE} \
   -DperformRelease=true \
   -Dgpg.executable=gpg \

.kokoro/release/stage.sh

@@ -29,7 +29,7 @@ create_settings_xml_file "settings.xml"
 
 # attempt to stage 3 times with exponential backoff (starting with 10 seconds)
 retry_with_backoff 3 10 \
-  mvn clean install deploy -B \
+  mvn clean deploy -B \
     --settings ${MAVEN_SETTINGS_FILE} \
     -DskipTests=true \
     -DperformRelease=true \

synth.metadata

@@ -11,7 +11,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-bigquerydatatransfer.git",
-        "sha": "5bfdf2ddbf2b64cc2d0b3a6411001fe8ed92e28b"
+        "sha": "7fe1a16a3eda9dc1bef47b85626d98af2b405592"
       }
     },
     {
@@ -26,7 +26,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "5b0e1592dd7d70b485e157ea4b3eb1704ecbd015"
+        "sha": "8285c2b4cdbc3771d031ad91e1c4ec9e55fff45d"
       }
     }
   ],
@@ -52,6 +52,7 @@
     ".github/readme/synth.py",
     ".github/release-please.yml",
     ".github/snippet-bot.yml",
+    ".github/sync-repo-settings.yaml",
     ".github/trusted-contribution.yml",
     ".github/workflows/approve-readme.yaml",
     ".github/workflows/auto-release.yaml",