fix: typo (#414)

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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-document-ai.git",
-        "sha": "0e6ed58ede9331c27a8e6bd509334e223b499660"
+        "sha": "ca9a30e502bf712d75310a4432475aac33b9492a"
       }
     },
     {
@@ -35,7 +35,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "5b0e1592dd7d70b485e157ea4b3eb1704ecbd015"
+        "sha": "082e1ca0863b13ada8594fe91845380765da5b70"
       }
     }
   ],
@@ -79,6 +79,7 @@
     ".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",