Add v0.9.1 and v0.10.0 to chart upgrade tests (hashicorp#1039)

* Remove pull_request_target for now.

Author: benashz

.github/workflows/build.yaml

@@ -4,10 +4,7 @@ on:
   push:
     branches-ignore:
       - 'docs/**'
-  pull_request_target:
-    types:
-      - opened
-      - reopened
+
   workflow_dispatch:
     inputs:
       version:
@@ -312,6 +309,8 @@ jobs:
         - "0.7.1"
         - "0.8.0"
         - "0.9.0"
+        - "0.9.1"
+        - "0.10.0"
     steps:
       - uses: actions/download-artifact@cc203385981b70ca67e1cc392babf9cc229d5806 # v4.1.9
         with: