chore(ci): drop Dockerfile pins (#2016)

Author: DerekRoberts

backend/Dockerfile

@@ -1,5 +1,5 @@
 ### Builder
-FROM ghcr.io/graalvm/native-image:22.3.3@sha256:4aeee052a80237fa8b32c074d2b7b7adc92271fc4bda724f0b1c2ea0f2f884cb AS build
+FROM ghcr.io/graalvm/native-image:22.3.3 AS build
 
 # Copy
 WORKDIR /app
@@ -12,7 +12,7 @@ RUN ./mvnw -B package -Pnative -DskipTests
 
 
 ### Deployer
-FROM gcr.io/distroless/java-base:nonroot@sha256:0f4c98b703de8a2abcc2e3fdef78e1bb4936e619dbdd34f74ac6fd54d43fd184 AS deploy
+FROM gcr.io/distroless/java-base:nonroot AS deploy
 ARG PORT=8090
 
 # Copy

frontend/Dockerfile

@@ -1,6 +1,6 @@
 # Build static files
 # Node Bullseye has npm
-FROM node:18.20.8-bullseye-slim@sha256:912df8d9d8d23d39b463a8634d51cac990d89d2f62a6504e1d35296eb4f38251 AS build
+FROM node:18.20.8-bullseye-slim AS build
 ENV NODE_OPTIONS="--max-old-space-size=3072"
 
 # Build
@@ -14,7 +14,7 @@ RUN npm ci --ignore-scripts --no-update-notifier --omit=dev && \
 
 # Deploy container
 # Caddy serves static files
-FROM caddy:2.10.0-alpine@sha256:e2e3a089760c453bc51c4e718342bd7032d6714f15b437db7121bfc2de2654a6
+FROM caddy:2.10.0-alpine
 RUN apk add --no-cache ca-certificates curl
 
 # Copy files and run formatting

oracle-api/Dockerfile

@@ -1,4 +1,4 @@
-FROM ghcr.io/graalvm/native-image:22.3.3@sha256:4aeee052a80237fa8b32c074d2b7b7adc92271fc4bda724f0b1c2ea0f2f884cb AS build
+FROM ghcr.io/graalvm/native-image:22.3.3 AS build
 
 # Copy
 WORKDIR /app
@@ -10,7 +10,7 @@ RUN ./mvnw package -Pnative -DskipTests -Dskip.unit.tests=true && \
 
 
 ### Deployer
-FROM eclipse-temurin:17.0.15_6-jdk-jammy@sha256:d80cf84d4d49682f047cb303a11be1fcc8322b1e4cd7a7c2b17454085c1f2ffb AS deploy
+FROM eclipse-temurin:17.0.15_6-jdk-jammy AS deploy
 
 # Java vars
 ENV LANG=en_CA.UTF-8