ci: make codecov upload non-blocking and inherit secrets in release workflow

Author: RAprogramm

.github/workflows/release.yml

@@ -8,6 +8,7 @@ on:
 jobs:
   checks:
     uses: ./.github/workflows/reusable-ci.yml
+    secrets: inherit
     with:
       all-features: true
 

.github/workflows/reusable-ci.yml

@@ -222,5 +222,5 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: lcov.info
-          fail_ci_if_error: true
+          fail_ci_if_error: false
           verbose: true