fix: Part-1 Spring Boot Basic Fund Projects/SpringBootSourceCode/SpringWebJar/pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONCORE-7569538
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-7444596
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-7444620

Author: snyk-bot

Part-1 Spring Boot Basic Fund Projects/SpringBootSourceCode/SpringWebJar/pom.xml

@@ -52,7 +52,7 @@
         <dependency>
             <groupId>org.webjars</groupId>
             <artifactId>bootstrap</artifactId>
-            <version>3.3.7-1</version>
+            <version>4.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.webjars</groupId>