chore!: Drop support for node 18, as it is at end-of-life

Author: TimothyJones

.github/workflows/build-and-test.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x]
+        node-version: [20.x, 22.x]
         os: [macos-latest, ubuntu-latest, windows-latest]
     steps:
       - name: Harden Runner

.github/workflows/builld-and-test-pr.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x]
+        node-version: [20.x, 22.x]
         os: [macos-latest, ubuntu-latest, windows-latest]
     steps:
       - name: Harden Runner