docs(devcontainer): add trivy and its VSCode Extension

Primary Changes
1) updated trivy version in the .devcontainer file and included trivy vs-code extension

Changes required to incorporate 1)
3) included trivy vs-code extension in the .vscode/extensions.json file

Fixes #2650

Signed-off-by: ashnashahgrover <as19@williams.edu>

.devcontainer/devcontainer.json

@@ -42,7 +42,7 @@
 			"version": "v3.20.3"
 		},
 		"ghcr.io/dhoeric/features/trivy:1.0.0": {
-			"version": "0.49.1"
+			"version": "0.52.1"
 		}
 	},
 	"customizations": {
@@ -62,7 +62,8 @@
 				"eamodio.gitlens",
 				"streetsidesoftware.code-spell-checker",
 				"github.vscode-pull-request-github",
-				"codeandstuff.package-json-upgrade"
+				"codeandstuff.package-json-upgrade",
+				"AquaSecurityOfficial.trivy-vulnerability-scanner"
 			]
 		}
 	},	

.vscode/extensions.json

@@ -14,6 +14,7 @@
       "eamodio.gitlens",
       "streetsidesoftware.code-spell-checker",
       "github.vscode-pull-request-github",
-      "codeandstuff.package-json-upgrade"
+      "codeandstuff.package-json-upgrade",
+      "AquaSecurityOfficial.trivy-vulnerability-scanner"
     ]
   }