chore: update Dockerfile and Hadolint configuration

- Add a new configuration file for Hadolint with specific ignored rules
- Change the Dockerfile maintainer label from SSH Plugin to Telegram Plugin
- Update the Dockerfile to remove the specific version of ca-certificates and install the latest version instead

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

.hadolint.yaml

@@ -0,0 +1,3 @@
+ignored:
+  - DL3018
+  - DL3008

docker/Dockerfile

@@ -4,7 +4,7 @@ ARG TARGETOS
 ARG TARGETARCH
 
 LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>" \
-  org.label-schema.name="SSH Plugin" \
+  org.label-schema.name="Telegram Plugin" \
   org.label-schema.vendor="Bo-Yi Wu" \
   org.label-schema.schema-version="1.0"
 
@@ -12,7 +12,7 @@ LABEL org.opencontainers.image.source=https://github.com/appleboy/drone-telegram
 LABEL org.opencontainers.image.description="plugin for sending telegram notifications"
 LABEL org.opencontainers.image.licenses=MIT
 
-RUN apk add --no-cache ca-certificates=20230506-r0 && \
+RUN apk add --no-cache ca-certificates && \
   rm -rf /var/cache/apk/*
 
 COPY release/${TARGETOS}/${TARGETARCH}/drone-telegram /bin/