Point to 1.5 branch of Istio (#6488)

* Point to 1.5 branch of Istio

* Fix repo link

* api pt-br

content/en/about/contribute/code-blocks/index.md

@@ -264,14 +264,14 @@ repository. For the link to point to a different Istio repository
 instead, you can use the `repo` attribute, for example:
 
 {{< text markdown >}}
-{{</* text syntax="bash" repo="operator" */>}}
+{{</* text syntax="bash" repo="api" */>}}
 $ cat @README.md@
 {{</* /text */>}}
 {{< /text >}}
 
-The path renders as a link to the `README.md` file of the `istio/operator` repository:
+The path renders as a link to the `README.md` file of the `istio/api` repository:
 
-{{< text syntax="bash" repo="operator" >}}
+{{< text syntax="bash" repo="api" >}}
 $ cat @README.md@
 {{< /text >}}
 

content/pt-br/about/contribute/creating-and-editing-pages/index.md

@@ -493,14 +493,14 @@ Normally, links will point to the current release branch of the `istio/istio` re
 that points to a different Istio repository instead, you can use the `repo` attribute:
 
 {{< text markdown >}}
-{{</* text syntax="bash" repo="operator" */>}}
+{{</* text syntax="bash" repo="api" */>}}
 $ cat @README.md@
 {{</* /text */>}}
 {{< /text >}}
 
 which renders as:
 
-{{< text syntax="bash" repo="operator" >}}
+{{< text syntax="bash" repo="api" >}}
 $ cat @README.md@
 {{< /text >}}
 

data/args.yml

@@ -25,7 +25,7 @@ archive_date: YYYY-MM-DD
 archive_search_refinement: "V1.1"
 
 # GitHub branch names used when the docs have links to GitHub
-source_branch_name: master
+source_branch_name: release-1.5
 doc_branch_name: master
 
 # The list of supported versions described by the docs