chore(deps): update crazy-max/ghaction-import-gpg action to v6 (#852)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/prerelease.yml

@@ -17,7 +17,7 @@ jobs:
           token: ${{ secrets.PAT }}
       - uses: Swatinem/rust-cache@v2
       - name: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@v5
+        uses: crazy-max/ghaction-import-gpg@v6
         with:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           git_user_signingkey: true

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
           fetch-depth: 0
           token: ${{ secrets.PAT }}
       - name: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@v5
+        uses: crazy-max/ghaction-import-gpg@v6
         with:
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           git_user_signingkey: true