Bump org.webjars:bootstrap from 3.3.7-1 to 3.4.0 in /spring-petclinic-api-gateway (#269)

* Bump org.webjars:bootstrap in /spring-petclinic-api-gateway

Bumps [org.webjars:bootstrap](https://github.com/webjars/bootstrap) from 3.3.7-1 to 3.4.0.
- [Commits](webjars/bootstrap@bootstrap-3.3.7-1...bootstrap-3.4.0)

---
updated-dependencies:
- dependency-name: org.webjars:bootstrap
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Report bootstrap version to wro4j.xml

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Antoine Rey <[email protected]>

Author: dependabot[bot]

spring-petclinic-api-gateway/pom.xml

@@ -15,7 +15,8 @@
     </parent>
 
     <properties>
-        <webjars-bootstrap.version>3.3.7-1</webjars-bootstrap.version>
+        <!-- Any bootstrap version upgrade must be reported in the wro4j.xml file -->
+        <webjars-bootstrap.version>3.4.0</webjars-bootstrap.version>
         <webjars-jquery.version>3.6.0</webjars-jquery.version>
         <webjars-angular.version>1.8.2</webjars-angular.version>
         <webjars-angular-ui-router.version>1.0.20</webjars-angular-ui-router.version>

spring-petclinic-api-gateway/src/main/wro/wro.xml

@@ -1,6 +1,6 @@
 <groups xmlns="http://www.isdc.ro/wro">
   <group name="petclinic">
-    <css>classpath:META-INF/resources/webjars/bootstrap/3.3.7-1/less/bootstrap.less</css>
+    <css>classpath:META-INF/resources/webjars/bootstrap/3.4.0/less/bootstrap.less</css>
     <css>/petclinic.less</css>
    </group>
 </groups>