Update GitHub Actions configuration

Change requires to suggests in cpanfile for optional test modules,
and explicitly add Perl::Critic::Community. Switch to the GitHub
action for installing test dependencies. Ignore pushes to dependabot
branches for testing and only run tests on the PR.

.github/workflows/build.yaml

@@ -2,13 +2,13 @@ name: build
 
 on:
   push:
-    branches:
-      - "*"
+    branches-ignore:
+      - "dependabot/**"
     tags:
       - "release/*"
   pull_request:
     branches:
-      - main
+      - "main"
 
 jobs:
   perl:
@@ -43,8 +43,11 @@ jobs:
       - uses: actions/checkout@v4
       - name: perl -V
         run: perl -V
-      - name: Install Dependencies
-        run: cpm install -g --show-build-log-on-failure
+      - uses: perl-actions/[email protected]
+        with:
+          cpanfile: "cpanfile"
+          args: "--with-suggests"
+          sudo: false
       - name: Makefile.PL
         run: perl Makefile.PL
       - name: make test

cpanfile

@@ -3,13 +3,14 @@ requires 'Pod::Simple', '3.26';
 on 'test' => sub {
     requires 'JSON::PP';
     requires 'Perl6::Slurp';
-    requires 'Perl::Critic';
-    requires 'Test::CPAN::Changes';
-    requires 'Test::Kwalitee';
-    requires 'Test::MinimumVersion';
-    requires 'Test::Perl::Critic';
-    requires 'Test::Pod';
-    requires 'Test::Spelling';
-    requires 'Test::Strict';
-    requires 'Test::Synopsis';
+    suggests 'Perl::Critic';
+    suggests 'Perl::Critic::Community';
+    suggests 'Test::CPAN::Changes';
+    suggests 'Test::Kwalitee';
+    suggests 'Test::MinimumVersion';
+    suggests 'Test::Perl::Critic';
+    suggests 'Test::Pod';
+    suggests 'Test::Spelling';
+    suggests 'Test::Strict';
+    suggests 'Test::Synopsis';
 };