Bump org.webjars:bootstrap from 5.3.7 to 5.3.8

Bumps [org.webjars:bootstrap](https://github.com/webjars/bootstrap) from 5.3.7 to 5.3.8.
- [Commits](webjars/bootstrap@bootstrap-5.3.7...bootstrap-5.3.8)

---
updated-dependencies:
- dependency-name: org.webjars:bootstrap
  dependency-version: 5.3.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

example-20-oauth/build.gradle

@@ -17,7 +17,7 @@ dependencies {
 
     implementation 'org.webjars:webjars-locator-core'
     implementation 'org.webjars:jquery:3.7.1'
-    implementation 'org.webjars:bootstrap:5.3.7'
+    implementation 'org.webjars:bootstrap:5.3.8'
     implementation 'org.webjars:js-cookie:3.0.1'
 
     testImplementation 'org.springframework.boot:spring-boot-starter-test'

example-21-jwt/build.gradle

@@ -16,7 +16,7 @@ dependencies {
 
     implementation 'org.webjars:webjars-locator-core'
     implementation 'org.webjars:jquery:3.7.1'
-    implementation 'org.webjars:bootstrap:5.3.7'
+    implementation 'org.webjars:bootstrap:5.3.8'
     implementation 'org.webjars:js-cookie:3.0.1'
 
     implementation 'io.jsonwebtoken:jjwt-api:0.13.0'