fix template quotes

Author: cognifloyd

values.yaml

@@ -942,8 +942,8 @@ default_datastore_crypto_key:
   # randBytes returns a base64 encoded string.
   hmacKey:
     # this formula is based on an st2-specific version of python's base64.urlsafe_b64encode.
-    hmacKeyString: "{{ randBytes 32 | replace '+' '-' | replace '_' '/' | replace '=' '' }}"
+    hmacKeyString: '{{ randBytes 32 | replace "+" "-" | replace "_" "/" | replace "=" "" }}'
     size: 256
-  aesKeyString: "{{ randBytes 32 | replace '+' '-' | replace '_' '/' | replace '=' '' }}"
+  aesKeyString: '{{ randBytes 32 | replace "+" "-" | replace "_" "/" | replace "=" "" }}'
   mode: CBC
   size: 256