Update GraalVM check workflow

.github/workflows/build-with-bal-test-graalvm.yml

@@ -6,9 +6,9 @@ on:
  lang_tag:
  description: Branch/Release Tag of the Ballerina Lang
  required: true
- default: master
+ default: 2201.7.x
  lang_version:
- description: Ballerina Lang Version (If given ballerina lang buid will be skipped)
+ description: Ballerina Lang Version (If given ballerina lang build will be skipped)
  required: false
  default: ''
  native_image_options:
@@ -26,6 +26,7 @@ on:
  pull_request:
  branches: 
  - master
+ - 2201.7.x
  types: [opened, synchronize, reopened, labeled, unlabeled]
 
 concurrency:
@@ -36,9 +37,9 @@ jobs:
  call_stdlib_workflow:
  name: Run StdLib Workflow
  if: ${{ github.event_name != 'schedule' || (github.event_name == 'schedule' && github.repository_owner == 'ballerina-platform') }}
- uses: ballerina-platform/ballerina-standard-library/.github/workflows/build-with-bal-test-graalvm-template.yml@main
+ uses: ballerina-platform/ballerina-standard-library/.github/workflows/build-with-bal-test-graalvm-template.yml@2201.7.x
  with:
- lang_tag: ${{ inputs.lang_tag }}
+ lang_tag: ${{ inputs.lang_tag || 2201.7.x }}
  lang_version: ${{ inputs.lang_version }}
  native_image_options: '-J-Xmx7G ${{ inputs.native_image_options }}'
  additional_ubuntu_build_flags: '-x :http-native:test -x :http-compiler-plugin-tests:test ${{ inputs.build_properties }}'