Merge master and resolve Go version conflict

Resolved conflict by:
- Keeping Go 1.25 from master (latest version)
- Keeping SHELL directive from our branch (hadolint fix)

This combines the latest Go version update with our Dockerfile improvements.

Author: dguido

.github/dependabot.yml

@@ -0,0 +1,19 @@
+version: 2
+updates:
+  # Keep GitHub Actions up to date
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "ci"
+      include: "scope"
+  
+  # Keep Docker base images up to date
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "docker"
+      include: "scope"

Dockerfile

@@ -3,7 +3,7 @@
 ###
 ### Medusa build process
 ###
-FROM golang:1.23 AS medusa
+FROM golang:1.25 AS medusa
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 WORKDIR /src