Ta bort bruk av deprecated setEnv funksjon i Github Actions

Author: geiralund

.github/workflows/dp-inntekt-grpc-build.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Set release tag
         run: |
           export TAG_NAME="$(TZ="Europe/Oslo" date +%Y.%m.%d-%H.%M).$(echo $GITHUB_SHA | cut -c 1-12)"
-          echo "::set-env name=RELEASE_TAG::$TAG_NAME"
+          echo "RELEASE_TAG=$TAG_NAME" >> $GITHUB_ENV
 
       - name: Set changelog
         # (Escape newlines see https://github.com/actions/create-release/issues/25)
@@ -50,7 +50,7 @@ jobs:
           text="${text//$'%'/%25}"
           text="${text//$'\n'/%0A}"
           text="${text//$'\r'/%0D}"
-          echo "::set-env name=CHANGELOG::$text"
+          echo "CHANGELOG=$text" >> $GITHUB_ENV
 
       - name: Create Release
         id: create_release