🩹 fix deprecation warning:

   Node.js 12 actions are deprecated.
   For more information see:
   https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/.
   Please update the following actions to use Node.js 16: actions/checkout@v2

   Using version v3, latest or master: actions/checkout#689

.github/workflows/achievements.yml

@@ -13,7 +13,7 @@ jobs:
   update-svg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
       - name: Detailed display
         uses: lowlighter/metrics@latest
         with:

.github/workflows/base.yml

@@ -13,7 +13,7 @@ jobs:
   update-svg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
       - name: Default metrics
         uses: lowlighter/metrics@latest
         with:

.github/workflows/coding_habits_activity_chart.yml

@@ -13,7 +13,7 @@ jobs:
   update-svg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
       - name: Recent activity charts
         uses: lowlighter/metrics@latest
         with:

.github/workflows/coding_habits_interesting_facts.yml

@@ -13,7 +13,7 @@ jobs:
   update-svg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
       - name: Midly interesting facts
         uses: lowlighter/metrics@latest
         with:

.github/workflows/followup.yml

@@ -13,7 +13,7 @@ jobs:
   update-svg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
       - name: Opened on user's repositories
         uses: lowlighter/metrics@latest
         with:

.github/workflows/followup_user.yml

@@ -13,7 +13,7 @@ jobs:
   update-svg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
       - name: Opened by user
         uses: lowlighter/metrics@latest
         with:

.github/workflows/languages_details.yml

@@ -13,7 +13,7 @@ jobs:
   update-svg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
       - name: Most used (with details)
         uses: lowlighter/metrics@latest
         with:

.github/workflows/languages_indepth.yml

@@ -13,7 +13,7 @@ jobs:
   update-svg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@master
       - name: Indepth analysis
         uses: lowlighter/metrics@latest
         with: