chore(ci): skip pyenv installation if already exists (aws#627)

Author: imabhichow

codebuild/py312/awses_local.yml

@@ -21,7 +21,7 @@ phases:
   build:
     commands:
       - cd /root/.pyenv/plugins/python-build/../.. && git pull && cd -
-      - pyenv install 3.12.0
+      - pyenv install --skip-existing 3.12.0
       - pyenv local 3.12.0
       - pip install --upgrade pip
       - pip install setuptools

codebuild/py312/examples.yml

@@ -19,7 +19,7 @@ phases:
   build:
     commands:
       - cd /root/.pyenv/plugins/python-build/../.. && git pull && cd -
-      - pyenv install 3.12.0
+      - pyenv install --skip-existing 3.12.0
       - pyenv local 3.12.0
       - pip install --upgrade pip
       - pip install setuptools

codebuild/py312/integ.yml

@@ -19,7 +19,7 @@ phases:
   build:
     commands:
       - cd /root/.pyenv/plugins/python-build/../.. && git pull && cd -
-      - pyenv install 3.12.0
+      - pyenv install --skip-existing 3.12.0
       - pyenv local 3.12.0
       - pip install --upgrade pip
       - pip install setuptools

codebuild/release/validate.yml

@@ -11,7 +11,7 @@ phases:
       - git clone https://github.com/aws-samples/busy-engineers-document-bucket.git
       - cd busy-engineers-document-bucket/exercises/python/encryption-context-complete
       - sed -i "s/aws_encryption_sdk/aws_encryption_sdk==$VERSION/" requirements-dev.txt
-      - pyenv install 3.8.12
+      - pyenv install --skip-existing 3.8.12
       - pyenv local 3.8.12
       - pip install "tox < 4.0"
   build: