do not fail if grep does not find a match

scripts/deploy.sh

@@ -22,22 +22,19 @@ echo "Publish to NPM"
 echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" > .npmrc
 echo "Running semantic-release"
 
-# merge stderr and stdout and check for "no new version is released". If found, bail.
+# merge stderr and stdout so we can examine the logs if the command fails logically but doesn't return a non-zero exit code
 npm run semantic-release 2>&1 | tee semantic_release_logs.txt
 
-cat semantic_release_logs.txt | grep "npm ERR! Exit status" > npm_error.txt
-if [ -s npm_error.txt ]; then
+if grep -q "npm ERR! Exit status" semantic_release_logs.txt; then
     echo "semantic-release failed, see details above"
     exit 1
 fi
 
-cat semantic_release_logs.txt | grep "no new version is released" > no_new_version.txt || echo "It looks like a new version has been published!"
-if [ -s no_new_version.txt ]; then
-    echo "Marking deployment as failed as no new version would be released."
+if grep -q "no new version is released" semantic_release_logs.txt; then
+    echo "Marking deployment as failed, as no new version would be released."
     exit 1
 fi
 
-
 echo "Pushing to origin/main"
 git push origin main