fix: bump supported node to 18,20

Author: thomasdavis

.github/workflows/latest.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [10, 12]
+        node: [18, 20]
     steps:
       - name: Checkout
         uses: actions/checkout@v1

.github/workflows/main.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [10, 12, 14]
+        node: [18, 20]
     name: Test on Node.js ${{ matrix.node }}
     steps:
       - name: Checkout

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [10, 12]
+        node: [18, 20]
     steps:
       - name: Checkout
         uses: actions/checkout@master