Bump minimum Hugo version to 0.112.4

* language.LanguageCode is required for Fix/hugo depr 0.120.x #1328

.github/ISSUE_TEMPLATE/bug_report.md

@@ -26,7 +26,7 @@ Please fill the template below
  - Device/Os: [e.g. Android 10]
  - Type: [e.g. Desktop/Mobile]
  - Browser and version [e.g. Chrome 86.0]:
- - Hugo Version [ >=0.97.1 expected]:
+ - Hugo Version [ >=0.112.4 expected]:
  - Theme Version [e.g. v4.0, master, or commit-id ]:
 
 **Steps to reproduce the behavior:**

.github/workflows/gh-pages.yml

@@ -15,7 +15,7 @@ on:
       hugoVersion:
         description: "Hugo Version"
         required: false
-        default: "0.97.1"
+        default: "0.112.4"
 
 # Allow one concurrent deployment
 concurrency:
@@ -38,7 +38,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     env:
-      HUGO_VERSION: "0.97.1"
+      HUGO_VERSION: "0.112.4"
     steps:
       - name: Check version
         if: ${{ github.event.inputs.hugoVersion }}