Update the 2.6 ruby we use
@@ -12,7 +12,7 @@ jobs:
strategy:
fail-fast: false
matrix:
- ruby: [ '2.3.7', '2.4.6', '2.5.5', '2.6.2' ]
+ ruby: [ '2.3.7', '2.4.6', '2.5.5', '2.6.3' ]
os: [ ubuntu-18.04, macOS-10.14 ]
runs-on: ${{ matrix.os }}
