Upgrade to context-propagation 1.0.3

Closes gh-3890

Author: shakuzen

build.gradle

@@ -389,7 +389,6 @@ subprojects {
 
     repositories {
         mavenCentral()
-        maven { url "https://repo.spring.io/snapshot" } // for context propagation snapshots
     }
 
     def check = tasks.findByName('check')

dependencies.gradle

@@ -45,7 +45,7 @@ def VERSIONS = [
         'javax.inject:javax.inject:1',
         'javax.servlet:javax.servlet-api:latest.release',
         'javax.xml.bind:jaxb-api:2.3.+',
-        'io.micrometer:context-propagation:1.0.3-SNAPSHOT',
+        'io.micrometer:context-propagation:1.0.+',
         'org.jetbrains.kotlinx:kotlinx-coroutines-core:latest.release',
         'net.sf.ehcache:ehcache:latest.release',
         'org.apache.httpcomponents:httpasyncclient:latest.release',