fix: typo (#440)

This PR was generated using Autosynth. 🌈 Synth log will be available here: https://source.cloud.google.com/results/invocations/b1f8da43-4876-4226-a7f8-43f07327c43a/targets - [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.) Source-Link: googleapis/synthtool@082e1ca

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

synth.metadata

@@ -4,7 +4,7 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-secretmanager.git",
- "sha": "b3a256254793f3f6d36d8b322370fbc9dfdf36f8"
+ "sha": "b9ffa62985789810e1db1e3654c2c9e15f64765c"
  }
  },
  {
@@ -19,7 +19,7 @@
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "5b0e1592dd7d70b485e157ea4b3eb1704ecbd015"
+ "sha": "082e1ca0863b13ada8594fe91845380765da5b70"
  }
  }
  ],
@@ -54,6 +54,7 @@
  ".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",