Upgrade Dependencies

* log4j2 2.17.1 (resolve CVE-2021-44832)
* logback 1.2.10 (resolve CVE-2021-42550)
* jackson-jr 2.13.1
* junit 4.13.2
* spring-boot 2.6.1

Author: KarstenSchnitter

README.md

@@ -95,7 +95,7 @@ Again, we don't include dependencies to those implementation backends ourselves,
 <dependency>
   	<groupId>ch.qos.logback</groupId>
    	<artifactId>logback-classic</artifactId>
-   	<version>1.2.7</version>
+   	<version>1.2.10</version>
  </dependency>
 ```
 
@@ -110,12 +110,12 @@ Again, we don't include dependencies to those implementation backends ourselves,
 <dependency>
 	<groupId>org.apache.logging.log4j</groupId>
 	<artifactId>log4j-slf4j-impl</artifactId>
-	<version>2.17.0</version>
+	<version>2.17.1</version>
 </dependency>
 	<dependency>
 	<groupId>org.apache.logging.log4j</groupId>
 	<artifactId>log4j-core</artifactId>
-	<version>2.17.0</version>
+	<version>2.17.1</version>
 </dependency>
 ```
 

pom.xml

@@ -166,15 +166,15 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <jackson-jr.version>2.13.0</jackson-jr.version>
+        <jackson-jr.version>2.13.1</jackson-jr.version>
         <slf4j.version>1.7.32</slf4j.version>
-        <logback.version>1.2.7</logback.version>
-        <log4j2.version>2.17.0</log4j2.version>
+        <logback.version>1.2.10</logback.version>
+        <log4j2.version>2.17.1</log4j2.version>
         <buildnumber.plugin.version>1.4</buildnumber.plugin.version>
         <source.plugin.version>3.2.1</source.plugin.version>
         <jar.plugin.version>3.1.0</jar.plugin.version>
         <hamcrest.version>1.3</hamcrest.version>
-        <junit.version>4.13.1</junit.version>
+        <junit.version>4.13.2</junit.version>
         <mockito.version>1.9.5</mockito.version>
         <surefire.plugin.version>2.18.1</surefire.plugin.version>
         <animal.sniffer.version>1.19</animal.sniffer.version>

sample-spring-boot/pom.xml

@@ -18,7 +18,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.source>11</maven.compiler.source>
 		<maven.compiler.target>11</maven.compiler.target>
-		<spring.boot.version>2.6.1</spring.boot.version>
+		<spring.boot.version>2.6.2</spring.boot.version>
 		<keytool.plugin.version>1.5</keytool.plugin.version>
 		<keystore.token.store_password>0bzhBRNUXBR5
 		</keystore.token.store_password>
@@ -204,12 +204,12 @@
 				<dependency>
 					<groupId>org.apache.logging.log4j</groupId>
 					<artifactId>log4j-slf4j-impl</artifactId>
-					<version>2.17.0</version>
+					<version>2.17.1</version>
 				</dependency>
 				<dependency>
 					<groupId>org.apache.logging.log4j</groupId>
 					<artifactId>log4j-jul</artifactId>
-					<version>2.17.0</version>
+					<version>2.17.1</version>
 				</dependency>
 				<dependency>
 					<groupId>org.springframework.boot</groupId>