Update Alpine version for init-wait to address CVEs (#666)

- Reference: https://www.alpinelinux.org/posts/Alpine-3.19.9-3.20.8-3.21.5-3.22.2-released.html

Author: jasdeep-hundal

init_wait/Dockerfile

@@ -11,7 +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.
-FROM alpine:3.22.0
+FROM alpine:3.22.2
 COPY entrypoint.sh /
 ENTRYPOINT [ "/entrypoint.sh" ]
 CMD []