Address goreleaser deprecated flags (#1386)

Signed-off-by: Per Goncalves da Silva <[email protected]>
Co-authored-by: Per Goncalves da Silva <[email protected]>

Author: perdasilva

.github/workflows/release.yaml

@@ -45,7 +45,7 @@ jobs:
         elif [[ $GITHUB_REF == refs/heads/* ]]; then
           # Branch build.
           echo IMAGE_TAG="$(echo "${GITHUB_REF#refs/heads/}" | sed -r 's|/+|-|g')" >> $GITHUB_ENV
-          echo GORELEASER_ARGS="--clean --skip-validate" >> $GITHUB_ENV
+          echo GORELEASER_ARGS="--clean --skip=validate" >> $GITHUB_ENV
         elif [[ $GITHUB_REF == refs/pull/* ]]; then
           # PR build.
           echo IMAGE_TAG="pr-$(echo "${GITHUB_REF}" | sed -E 's|refs/pull/([^/]+)/?.*|\1|')" >> $GITHUB_ENV