[CICD][RELEASE] Display custom artifact links for boards on release page

  Some boards include custom artifacts, which were uploaded but not shown
  on the release page.
  This fix ensures links are rendered when such artifacts are present.

build-pipeline.yml

@@ -31,6 +31,7 @@ workflow:
       echo "BMAP_FILE_NAME=$bmap_name" | tee -a deploy.env
       echo "BUNDLE_FILE_NAME=$bundle_filename" | tee -a deploy.env
       echo "MD5_SUMS_FILE_NAME=$md5sums_filename" | tee -a deploy.env
+      echo "MISCA_FILE_NAME=$custom_artifacts_filename" | tee -a deploy.env
 
 # -----------------------------------
 # Stage: build

release_templates/release_clea.jinja2

@@ -9,7 +9,7 @@
             "image": "[Image]",
             "bmap": "[Bmap File]",
             "sdk": "[SDK]",
-            "misca": "/",
+            "misca": "[Misc. Artifacts]",
             "md5sums": "[MD5Sums]",
         },
         "embedded-full-wayland": {
@@ -21,7 +21,7 @@
             "image": "[Image]",
             "bmap": "[Bmap File]",
             "sdk": "[SDK]",
-            "misca": "/",
+            "misca": "[Misc. Artifacts]",
             "md5sums": "[MD5Sums]",
         },
     }
@@ -36,7 +36,7 @@
         "image": "IMAGE",
         "bmap": "BMAP",
         "sdk": "SDK",
-        "misca": "MISC",
+        "misca": "MISCA",
         "md5sums": "MD5_SUMS",
     }
 -%}