Quiet unzip output and bump actions/checkout to v6

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: yahonda

.github/workflows/rubocop.yml

@@ -30,8 +30,8 @@ jobs:
         wget -q https://download.oracle.com/otn_software/linux/instantclient/2326100/instantclient-sdk-linux.x64-23.26.1.0.0.zip
     - name: Install Oracle instant client
       run: |
-        sudo unzip instantclient-basic-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
-        sudo unzip -o instantclient-sdk-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
+        sudo unzip -q instantclient-basic-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
+        sudo unzip -qo instantclient-sdk-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
 
     - name: Build and run RuboCop
       run: |

.github/workflows/test.yml

@@ -65,9 +65,9 @@ jobs:
         wget -q https://download.oracle.com/otn_software/linux/instantclient/2326100/instantclient-sqlplus-linux.x64-23.26.1.0.0.zip
     - name: Install Oracle instant client
       run: |
-        sudo unzip instantclient-basic-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
-        sudo unzip -o instantclient-sdk-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
-        sudo unzip -o instantclient-sqlplus-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
+        sudo unzip -q instantclient-basic-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
+        sudo unzip -qo instantclient-sdk-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
+        sudo unzip -qo instantclient-sqlplus-linux.x64-23.26.1.0.0.zip -d /opt/oracle/
         echo "/opt/oracle/instantclient_23_26" >> $GITHUB_PATH
     - name: Install JDBC Driver
       run: |

.github/workflows/test_11g.yml

@@ -66,9 +66,9 @@ jobs:
     - name: Install Oracle instant client
       run: |
         sudo mkdir -p /opt/oracle/
-        sudo unzip instantclient-basic-linux.x64-21.15.0.0.0dbru.zip -d /opt/oracle
-        sudo unzip -o instantclient-sqlplus-linux.x64-21.15.0.0.0dbru.zip -d /opt/oracle
-        sudo unzip -o instantclient-sdk-linux.x64-21.15.0.0.0dbru.zip -d /opt/oracle
+        sudo unzip -q instantclient-basic-linux.x64-21.15.0.0.0dbru.zip -d /opt/oracle
+        sudo unzip -qo instantclient-sqlplus-linux.x64-21.15.0.0.0dbru.zip -d /opt/oracle
+        sudo unzip -qo instantclient-sdk-linux.x64-21.15.0.0.0dbru.zip -d /opt/oracle
         echo "/opt/oracle/instantclient_21_15" >> $GITHUB_PATH
     - name: Install JDBC Driver
       run: |