Fix Github actions setup

Add workaround for git diff issue: actions/checkout#766

Fix indentation that perltidy complains about

Use Debian tagged images for the the perl images

Use newer checkout version to avoid node deprecation warnings

.github/workflows/linux.yml

@@ -12,16 +12,16 @@ jobs:
     strategy:
       matrix:
         perl-version:
-          - '5.16'
-          - '5.18'
-          - '5.20'
-          - '5.22'
-          - '5.30'
-          - '5.32'
+          - '5.16-buster'
+          - '5.18-buster'
+          - '5.20-buster'
+          - '5.22-buster'
+          - '5.30-bullseye'
+          - '5.32-bullseye'
     container:
       image: perl:${{ matrix.perl-version }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: perl -V
         run: perl -V
       - name: Fix ExtUtils::MakeMaker (for Perl 5.16 and 5.18)

.github/workflows/perltidy.yml

@@ -12,7 +12,7 @@ jobs:
     container:
       image: perl:5.32
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: perl -V
         run: perl -V
       - name: Install dependencies
@@ -23,4 +23,5 @@ jobs:
         shell: bash
         run: |
           shopt -s extglob globstar nullglob
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
           perltidy --pro=.../.perltidyrc -b -bext='/' **/*.p[lm] **/*.t && git diff --exit-code

lib/Mojolicious/Plugin/AssetPack.pm

@@ -192,7 +192,7 @@ sub _render_tags {
 
   return Mojo::ByteStream->new(
     join "\n",
-    map    { $_->tag_for->($_, $c, \%args, @attrs) }
+    map { $_->tag_for->($_, $c, \%args, @attrs) }
       grep { !$_->isa('Mojolicious::Plugin::AssetPack::Asset::Null') } @$assets
   );
 }