switch to user token to authenticate against Sonatype server (envoyproxy#382)

Signed-off-by: rulex123 <[email protected]>

Author: rulex123

.circleci/settings-snapshots.xml

@@ -3,8 +3,8 @@
     <servers>
         <server>
             <id>sonatype-nexus-snapshots</id>
-            <username>${env.SONATYPE_USER}</username>
-            <password>${env.SONATYPE_PASSWORD}</password>
+            <username>${env.SONATYPE_TOKEN_USERNAME}</username>
+            <password>${env.SONATYPE_TOKEN_PASSWORD}</password>
         </server>
     </servers>
     <profiles>

.circleci/settings.xml

@@ -3,13 +3,13 @@
     <servers>
         <server>
             <id>sonatype-nexus-snapshots</id>
-            <username>${env.SONATYPE_USER}</username>
-            <password>${env.SONATYPE_PASSWORD}</password>
+            <username>${env.SONATYPE_TOKEN_USERNAME}</username>
+            <password>${env.SONATYPE_TOKEN_PASSWORD}</password>
         </server>
         <server>
             <id>sonatype-nexus-staging</id>
-            <username>${env.SONATYPE_USER}</username>
-            <password>${env.SONATYPE_PASSWORD}</password>
+            <username>${env.SONATYPE_TOKEN_USERNAME}</username>
+            <password>${env.SONATYPE_TOKEN_PASSWORD}</password>
         </server>
     </servers>
     <profiles>