Only run workflows when things change that could affect them

Author: jnm2

.github/workflows/grammar-validator.yaml

@@ -4,6 +4,11 @@ name: ANTLR Grammar validator
 on: 
   pull_request:
     types: [opened, synchronize, reopened]
+    paths:
+      - "standard/**"
+      - "tools/GrammarTesting/**"
+      - "tools/validate-grammar.sh"
+      - ".github/workflows/dependencies/GrammarTestingEnv.tgz"
   workflow_dispatch:
     inputs:
       reason:

.github/workflows/renumber-sections.yaml

@@ -4,6 +4,10 @@ name: Renumber standard TOC
 on: 
   pull_request:
     types: [opened, synchronize, reopened]
+    paths:
+      - "standard/**"
+      - "tools/StandardAnchorTags/**"
+      - "tools/run-section-renumber.sh"
   workflow_dispatch:
     inputs:
       reason:

.github/workflows/smart-quotes.yaml

@@ -3,6 +3,12 @@ name: Convert to Smart Quotes
 # Triggers the workflow on push to spec version branches.
 # test-branch can be used to test this workflow.
 on: 
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths:
+      - "standard/**"
+      - "tools/run-smarten.sh"
+      - ".github/workflows/dependencies/EcmaTC49.Smarten.tar"
   workflow_dispatch:
     inputs:
       reason:

.github/workflows/tools-tests.yaml

@@ -5,9 +5,9 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
     paths:
-      - '**.cs'
-      - '**.csproj'
-      - '**.sln'
+      - 'tools/**.cs'
+      - 'tools/**.csproj'
+      - 'tools/**.sln'
   workflow_dispatch:
     inputs:
       reason:

.github/workflows/word-converter.yaml

@@ -4,6 +4,10 @@ name: Word Converter
 on: 
   pull_request:
     types: [opened, synchronize, reopened]
+    paths:
+      - "standard/**"
+      - "tools/MarkdownConverter/**"
+      - "tools/run-converter.sh"
   workflow_dispatch:
     inputs:
       reason: