fix: release scripts from issuing overlapping phases (#664)

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Source-Link: googleapis/synthtool@8285c2b
Source-Link: googleapis/synthtool@082e1ca
Source-Link: googleapis/synthtool@5b0e159

Author: yoshi-automation

.kokoro/build.sh

@@ -37,7 +37,7 @@ retry_with_backoff 3 10 \
     -Dgcloud.download.skip=true \
     -T 1C
 
-# if GOOGLE_APPLICATION_CREDIENTIALS is specified as a relative path prepend Kokoro root directory onto it
+# if GOOGLE_APPLICATION_CREDENTIALS is specified as a relative path, prepend Kokoro root directory onto it
 if [[ ! -z "${GOOGLE_APPLICATION_CREDENTIALS}" && "${GOOGLE_APPLICATION_CREDENTIALS}" != /* ]]; then
     export GOOGLE_APPLICATION_CREDENTIALS=$(realpath ${KOKORO_GFILE_DIR}/${GOOGLE_APPLICATION_CREDENTIALS})
 fi

.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/google-oauth-java-client.git",
-        "sha": "f6d16c6d7becbd49158e703f1c0b94ce1981e625"
+        "sha": "ff93258c8506ade94a356ed7e709ec256e08741c"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "572ef8f70edd9041f5bcfa71511aed6aecfc2098"
+        "sha": "8285c2b4cdbc3771d031ad91e1c4ec9e55fff45d"
       }
     }
   ],
@@ -26,6 +26,7 @@
     ".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",