chore: multiple licenses fixes (#2714)

* chore: avoid license risk from akka

Signed-off-by: tison <wander4096@gmail.com>

* chore: LICENSE test is AS IS

Signed-off-by: tison <wander4096@gmail.com>

* ci: use hawkeye to pin in inceptionYear

Signed-off-by: tison <wander4096@gmail.com>

* add instruction for running license header apply

Signed-off-by: tison <wander4096@gmail.com>

---------

Signed-off-by: tison <wander4096@gmail.com>

src/common/function/src/scalars/timestamp.rs

@@ -11,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 use std::sync::Arc;
 mod greatest;
 mod to_unixtime;