Update CI

Author: SingingBush

.github/workflows/dub.yml

@@ -21,6 +21,7 @@ jobs:
         compiler:
           - dmd-latest
           - ldc-latest
+          - dmd-2.106.1 # (released in 2024)
           - dmd-2.105.3 # (released in 2023) 
           - dmd-2.104.2 # (released in 2023)
           - dmd-2.103.1 # (released in 2023)
@@ -97,4 +98,4 @@ jobs:
 #      - name: Dub Build (Release)
 #        env:
 #          DC: ${{ matrix.compiler }}
-#        run: dub build --compiler=${{ matrix.compiler }} --build=release
+#        run: dub build --compiler=${{ matrix.compiler }} --build=release