Bump nginx from 1.25.5-alpine to 1.26.0-alpine in /docker (#248)

Bumps nginx from 1.25.5-alpine to 1.26.0-alpine.

---
updated-dependencies:
- dependency-name: nginx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docker/Dockerfile

@@ -18,7 +18,7 @@ RUN echo $(cat src/assets/config/version.txt)
 RUN npm run ng build --no-progress --configuration=production
 
 # Stage 3: Serve app with nginx
-FROM nginx:1.25.5-alpine
+FROM nginx:1.26.0-alpine
 
 RUN apk update && apk add jq esh