Skip deploying build-tools (#273)

Motivation:
Unnecessary build-tools artifact was deployed along with r2dbc-mysql

Modification:
Skip deploying build-tools

Result:
Clean up

.github/workflows/cd-release.yml

@@ -123,12 +123,16 @@ jobs:
 
       - name: Create Local Deploy Directory
         run: mkdir -p ~/local-staging
+
+      - name: Prepare Internal Dependencies
+        working-directory: ./prepare-workspace/
+        run: ./mvnw -B -ntp -pl build-tools clean install -DskipTests -Dcheckstyle.skip
 
       - name: Import GPG & Deploy Local Staging
         working-directory: ./prepare-workspace/
         run: |
             cat <(echo -e "${{ secrets.GPG_PRIVATE_KEY }}") | gpg --batch --import
-            ./mvnw -B -ntp -am -pl r2dbc-mysql clean javadoc:jar package gpg:sign org.sonatype.plugins:nexus-staging-maven-plugin:deploy -DnexusUrl=https://s01.oss.sonatype.org -DserverId=ossrh-staging -DaltStagingDirectory=/home/runner/local-staging -DskipRemoteStaging=true -DskipTests=true -Dcheckstyle.skip -Dgpg.passphrase="${{ secrets.GPG_PASSPHRASE }}" -Dgpg.keyname="${{ secrets.GPG_KEY_NAME }}"
+            ./mvnw -B -ntp -pl r2dbc-mysql clean javadoc:jar package gpg:sign org.sonatype.plugins:nexus-staging-maven-plugin:deploy -DnexusUrl=https://s01.oss.sonatype.org -DserverId=ossrh-staging -DaltStagingDirectory=/home/runner/local-staging -DskipRemoteStaging=true -DskipTests=true -Dcheckstyle.skip -Dgpg.passphrase="${{ secrets.GPG_PASSPHRASE }}" -Dgpg.keyname="${{ secrets.GPG_KEY_NAME }}"
 
       - name: Deploy Local Staged Artifacts
         working-directory: ./prepare-workspace/