Merge pull request #9870 from RyanSkraba/rskraba/svg-sequence-diags

Merge pull request #9870: Move sequence diagrams to PlantUML SVG

website/src/documentation/io/developing-io-overview.md

@@ -107,9 +107,9 @@ Here is a sequence diagram that shows the lifecycle of the Source during
  information to IO developers such as the constraints that 
  apply to the objects or particular cases such as streaming mode.
 
-
-  ![This is a sequence diagram that shows the lifecycle of the Source](
-    {{ "/images/source-sequence-diagram.png" | prepend: site.baseurl }})
+ <!-- The source for the sequence diagram can be found in the the SVG resource. -->
+![This is a sequence diagram that shows the lifecycle of the Source](
+    {{ "/images/source-sequence-diagram.svg" | prepend: site.baseurl }})
 
 ### Using ParDo and GroupByKey
 

website/src/documentation/programming-guide.md

@@ -809,9 +809,9 @@ Here is a sequence diagram that shows the lifecycle of the DoFn during
  apply to the objects or particular cases such as failover or 
  instance reuse. They also give instanciation use cases.
 
- 
+<!-- The source for the sequence diagram can be found in the the SVG resource. -->
 ![This is a sequence diagram that shows the lifecycle of the DoFn](
-  {{ "/images/dofn-sequence-diagram.png" | prepend: site.baseurl }})
+  {{ "/images/dofn-sequence-diagram.svg" | prepend: site.baseurl }})
 
 #### 4.2.2. GroupByKey {#groupbykey}