Update servlet dependency

Author: ivo.liondov

servers/hello/src/approov-protected-server/token-binding-check/build.gradle

@@ -29,7 +29,7 @@ dependencies {
 
 	compileOnly 'org.jetbrains:annotations:17.0.0'
 
-	compileOnly 'javax.servlet:servlet-api:2.5'
+	compileOnly 'javax.servlet:servlet-api:3.1.0'
 
 	runtimeOnly 'org.springframework.boot:spring-boot-devtools'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'

servers/hello/src/approov-protected-server/token-check/build.gradle

@@ -27,7 +27,7 @@ dependencies {
 
 	compileOnly 'org.jetbrains:annotations:17.0.0'
 
-	compileOnly 'javax.servlet:servlet-api:2.5'
+	compileOnly 'javax.servlet:servlet-api:3.1.0'
 
 	runtimeOnly 'org.springframework.boot:spring-boot-devtools'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'

servers/hello/src/unprotected-server/build.gradle

@@ -23,7 +23,7 @@ dependencies {
 
 	compileOnly 'org.jetbrains:annotations:17.0.0'
 
-	compileOnly 'javax.servlet:servlet-api:2.5'
+	compileOnly 'javax.servlet:servlet-api:3.1.0'
 
 	runtimeOnly 'org.springframework.boot:spring-boot-devtools'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'

servers/shapes-api/build.gradle

@@ -27,7 +27,7 @@ dependencies {
 
 	compileOnly 'org.jetbrains:annotations:17.0.0'
 
-	compileOnly 'javax.servlet:servlet-api:2.5'
+	compileOnly 'javax.servlet:servlet-api:3.1.0'
 
 	runtimeOnly 'org.springframework.boot:spring-boot-devtools'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'