feat(ci): Add GitHub Actions and fix Perl 5.8 compatibility

Author: ItsMeForLua

.github/workflows/ci.yml

@@ -20,31 +20,30 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         perl:
-          - 5.8
-          - 5.10
-          - 5.12
-          - 5.14
-          - 5.16
-          - 5.18
-          - 5.20
-          - 5.22
-          - 5.24
-          - 5.26
-          - 5.28
-          - 5.30
-          - 5.32
-          - 5.34
-          - 5.36
-          - 5.38
-          - 5.40
+          - '5.8'
+          - '5.10'
+          - '5.12'
+          - '5.14'
+          - '5.16'
+          - '5.18'
+          - '5.20'
+          - '5.22'
+          - '5.24'
+          - '5.26'
+          - '5.28'
+          - '5.30'
+          - '5.32'
+          - '5.34'
+          - '5.36'
+          - '5.38'
         include:
           - os: ubuntu-latest
             perl: devel
         exclude:
           - os: windows-latest
-            perl: 5.8
+            perl: '5.8'
           - os: windows-latest
-            perl: 5.16
+            perl: '5.10'
 
     name: Perl ${{ matrix.perl }} on ${{ matrix.os }}