chore: fix typo (#392)

Author: josecorella

codebuild/release/release-prod.yml

@@ -21,7 +21,7 @@ phases:
       - git checkout $BRANCH
       - export VERSION=$(grep version pom.xml | head -n 1 | sed -n 's/[ \t]*<version>\(.*\)<\/version>/\1/p')
       - export SETTINGS_FILE=$(pwd)/codebuild/release/settings.xml
-      - aws secretsmanager get-secret-value --region us-west-2 --secret-id Maven-GPG-Keys --query SecretBinary --output text | base64 -d > ~/mvn_pg.tgz
+      - aws secretsmanager get-secret-value --region us-west-2 --secret-id Maven-GPG-Keys --query SecretBinary --output text | base64 -d > ~/mvn_gpg.tgz
       - tar -xvf ~/mvn_gpg.tgz -C ~
   build:
     commands:

codebuild/release/validate-prod.yml

@@ -3,12 +3,18 @@
 
 version: 0.2
 
+env:
+  variables:
+    BRANCH: "mainline-1.x"
+
 phases:
   install:
     runtime-versions:
       java: $JAVA_ENV_VERSION
   pre_build:
     commands:
+      - git checkout $BRANCH
+      - export VERSION=$(grep version pom.xml | head -n 1 | sed -n 's/[ \t]*<version>\(.*\)<\/version>/\1/p')
       - git clone https://github.com/aws-samples/busy-engineers-document-bucket.git
       - cd busy-engineers-document-bucket/exercises/java/encryption-context-complete
   build: