build(devcontainer): upgrade rust compiler to v1.74 (current latest s…

…table)

1. This was forced through the domino effect of webpki related security
vulnerabilities that made it important for us to upgrade some dependencies
which on the other hand did not work with the slightly older rust compiler
that the dev container had had.

Relevant links for the vulnerabilities (this is not a fix yet)
- https://github.com/hyperledger/cacti/security/dependabot/762
- GHSA-8qv2-5vq6-g2g7

Skipping the CI because it's just a development environment change.

[skip ci]

Signed-off-by: Peter Somogyvari <[email protected]>

.devcontainer/devcontainer.json

@@ -34,7 +34,7 @@
 			"version": "18.19.0"
 		},
 		"ghcr.io/devcontainers/features/rust:1": {
-			"version": "1.63",
+			"version": "1.74",
 			"profile": "complete"
 		},
 		"ghcr.io/devcontainers-contrib/features/curl-apt-get:1": {},