Build node v21 (#88)

* Include v21 and remove v12 and v13

* Reference prebuildify PR for testing

* Restore main prebuildify branch

* Do not remove old versions yet

---------

Co-authored-by: Ugaitz Urien <[email protected]>

Author: iunanua

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
     needs: ['cpp-lint', 'js-lint']
     strategy:
       matrix:
-        version: [12, 13, 14, 15, 16, 17, 18, 19, 20]
+        version: [12, 13, 14, 15, 16, 17, 18, 19, 20, 21]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -28,7 +28,7 @@ jobs:
     needs: ['cpp-lint', 'js-lint']
     strategy:
       matrix:
-        version: [12, 13, 14, 15, 16, 17, 18, 19, 20]
+        version: [12, 13, 14, 15, 16, 17, 18, 19, 20, 21]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3

.github/workflows/pull-request.yml

@@ -7,7 +7,7 @@ jobs:
     needs: ['cpp-lint', 'js-lint']
     strategy:
       matrix:
-        version: [12, 14, 16, 18, 19, 20]
+        version: [12, 14, 16, 18, 19, 20, 21]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -24,7 +24,7 @@ jobs:
     needs: ['cpp-lint', 'js-lint']
     strategy:
       matrix:
-        version: [12, 14, 16, 18, 19, 20]
+        version: [12, 14, 16, 18, 19, 20, 21]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3