fix: remove duplicate sha256: in release notes (#922)

* fix: remove duplicate sha256: in release notes

* chore: apply linter suggestion

Author: rjaegers

.github/RELEASE_TEMPLATE.md

@@ -8,8 +8,8 @@
 
 #### :bookmark: Packages
 
-| Container             | Full identifier                                                                                                           |
-|-----------------------|---------------------------------------------------------------------------------------------------------------------------|
-| amp-devcontainer-cpp  | ghcr.io/philips-software/amp-devcontainer-cpp:{{ amp-devcontainer-cpp-version }}@sha256:{{ amp-devcontainer-cpp-sha }}    |
-| amp-devcontainer-rust | ghcr.io/philips-software/amp-devcontainer-rust:{{ amp-devcontainer-rust-version }}@sha256:{{ amp-devcontainer-rust-sha }} |
+| Container             | Full identifier                                                                                                    |
+|-----------------------|--------------------------------------------------------------------------------------------------------------------|
+| amp-devcontainer-cpp  | ghcr.io/philips-software/amp-devcontainer-cpp:{{ amp-devcontainer-cpp-version }}@{{ amp-devcontainer-cpp-sha }}    |
+| amp-devcontainer-rust | ghcr.io/philips-software/amp-devcontainer-rust:{{ amp-devcontainer-rust-version }}@{{ amp-devcontainer-rust-sha }} |