feat: update pipeline triggers to be specific to release/v* branches

Co-authored-by: jpayne3506 <[email protected]>

Author: Copilot

.pipelines/npm/npm-conformance-tests.yaml

@@ -2,7 +2,7 @@ pr:
   branches:
     include:
       - master
-      - release/*
+      - release/v*
   paths:
     include:
       - npm/*

.pipelines/npm/npm-scale-test.yaml

@@ -2,7 +2,7 @@ pr:
   branches:
     include:
       - master
-      - release/*
+      - release/v*
   paths:
     include:
       - npm/*

.pipelines/pipeline.yaml

@@ -2,7 +2,7 @@ pr:
   branches:
     include:
       - master
-      - release/*
+      - release/v*
   paths:
     exclude:
       - ".devcontainer"
@@ -15,6 +15,7 @@ trigger:
   branches:
     include:
       - gh-readonly-queue/master/*
+      - gh-readonly-queue/release/v*/*
   tags:
     include:
       - "*"