style: improve clarity on aws changes (#3623)

Signed-off-by: Samantha Coyle <sam@diagrid.io>

.build-tools/builtin-authentication-profiles.yaml

@@ -11,12 +11,12 @@ aws:
         example: '"us-east-1"'
       - name: accessKey
         description: AWS access key associated with an IAM account
-        required: true
+        required: false
         sensitive: true
         example: '"AKIAIOSFODNN7EXAMPLE"'
       - name: secretKey
         description: The secret key associated with the access key
-        required: true
+        required: false
         sensitive: true
         example: '"wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"'
       - name: sessionToken
@@ -41,6 +41,7 @@ aws:
         description: |
           IAM role that has access to AWS resource.
           This is another option to authenticate with MSK and RDS Aurora aside from the AWS Credentials.
+          This will be marked required in Dapr 1.17.
         example: '"arn:aws:iam::123456789:role/mskRole"'
       - name: sessionName
         type: string
@@ -51,7 +52,7 @@ aws:
   - title: "AWS: Credentials from Environment Variables"
     description: Use AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY from the environment
   - title: "AWS: IAM Roles Anywhere"
-    description: Use X.509 certificates to establish trust between AWS and your AWS account and the Dapr cluster using AWS IAM Roles Anywhere.
+    description: Use X.509 certificates to establish trust between your AWS account and the Dapr cluster using AWS IAM Roles Anywhere.
     metadata:
       - name: trustAnchorArn
         description: |

pubsub/kafka/metadata.yaml

@@ -45,7 +45,7 @@ builtinAuthenticationProfiles:
         required: false
         sensitive: true
         description: |
-         This maintains backwards compatibility with existing fields. 
+          This maintains backwards compatibility with existing fields. 
           It will be deprecated as of Dapr 1.17. Use 'secretKey' instead.
           If both fields are set, then 'secretKey' value will be used.
           The secret key associated with the access key.