Chore: Use pgJDBC 42.7.8 across the board

Author: amotl

docs/integrate/debezium/tutorial.md

@@ -157,7 +157,7 @@ cat > Dockerfile <<EOF
 FROM debezium/connect
 USER root:root
 COPY ./confluentinc-kafka-connect-jdbc-10.6.3/ /kafka/connect/
-RUN cd /kafka/libs && curl -sO https://jdbc.postgresql.org/download/postgresql-42.5.4.jar
+RUN cd /kafka/libs && curl -sO https://jdbc.postgresql.org/download/postgresql-42.7.8.jar
 USER 1001
 EOF
 sudo docker build -t cratedb-connect-debezium .

docs/integrate/nifi/usage.md

@@ -20,7 +20,7 @@ Set up a connection pool to CrateDB:
 | -------------------------- |----------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------|
 | Database Connection URL    | The JDBC connection string pointing to CrateDB                                                                                         | `jdbc:postgresql://<cratedb-host>:5432/doc?sslmode=verify-full&sslrootcert=/path/to/ca.pem`   |
 | Database Driver Class Name | The PostgreSQL JDBC driver class name                                                                                                  | `org.postgresql.Driver`                                                                       |
-| Database Driver Location(s)| [Download](https://jdbc.postgresql.org/download/) the latest PostgreSQL JDBC driver and place it on the file system of the NiFi host   | `${nifi.home}/lib/postgresql-42.7.x.jar`                                                      |
+| Database Driver Location(s)| [Download](https://jdbc.postgresql.org/download/) the latest PostgreSQL JDBC driver and place it on the file system of the NiFi host   | `${nifi.home}/lib/postgresql-42.7.8.jar`                                                      |
 | Database User              | The CrateDB user name                                                                                                                  |                                                                                               |
 | Password                   | The password of your CrateDB user                                                                                                      |                                                                                               |
 

docs/integrate/spark/usage.md

@@ -67,7 +67,7 @@ This usage guide will work with a single-node Apache Spark installation running
    ```
 
 4. Finally, as CrateDB communicates with Spark via JDBC, download the [Postgres JDBC driver](https://jdbc.postgresql.org/download/) in your working directory.
-   In this usage guide, we use the `postgresql-42.6.0.jar` driver.
+   In this usage guide, we use the `postgresql-42.7.8.jar` driver.
 
 
 ## Data analysis
@@ -80,7 +80,7 @@ You can load data from CrateDB into a PySpark DataFrame using the following code
 
 ```python
 from pyspark.sql import SparkSession
-spark = SparkSession.builder.appName("cratedb_test").config("spark.jars", "postgresql-42.6.0.jar").getOrCreate()
+spark = SparkSession.builder.appName("cratedb_test").config("spark.jars", "postgresql-42.7.8.jar").getOrCreate()
 df = spark.read.format("jdbc")
                .option("url", "jdbc:postgresql://host:port/crate?sslmode=require")
                .option("driver", "org.postgresql.Driver")

docs/integrate/tableau/index.md

@@ -37,7 +37,7 @@ In this usage guide, you will:
 :link: https://community.cratedb.com/t/using-cratedb-with-tableau/1192
 :link-type: url
 How to install the latest PostgreSQL JDBC driver (e.g.
-`postgresql-42.7.1.jar` or newer) for using Tableau.
+`postgresql-42.7.8.jar` or newer) for using Tableau.
 :::
 
 :::{grid-item-card} Repository: CrateDB Tableau Connector