fix: release scripts from issuing overlapping phases (#292)

This PR was generated using Autosynth. 🌈 Synth log will be available here: https://source.cloud.google.com/results/invocations/757ae8b9-aff7-4749-9e58-9de4e00b59db/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

@@ -4,14 +4,14 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-notification.git",
- "sha": "40982ad91529e63f622ffb1c72f43a09b4d35665"
+ "sha": "1161d6018487add7120bfd3ed912a382e52dde63"
  }
  },
  {
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "082e1ca0863b13ada8594fe91845380765da5b70"
+ "sha": "8285c2b4cdbc3771d031ad91e1c4ec9e55fff45d"
  }
  }
  ],