Deprecate the rc branching pattern (#63)

* Remove rc and hotfix-rc branch constraints in release workflow

* Remove rc branch check from update-versions workflow

.github/workflows/release.yml

@@ -17,9 +17,9 @@ jobs:
     steps:
       - name: Branch check
         run: |
-          if [[ "$GITHUB_REF" != "refs/heads/rc" ]] && [[ "$GITHUB_REF" != "refs/heads/hotfix" ]]; then
+          if [[ "$GITHUB_REF" != "refs/heads/master" ]]; then
             echo "==================================="
-            echo "[!] Can only release from the 'rc' or 'hotfix' branches"
+            echo "[!] Can only release from the 'master' branch"
             echo "==================================="
             exit 1
           fi

.github/workflows/update-versions.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   setup:
     name: Setup
-    if: github.ref_name == 'master' || github.ref_name == 'rc' || github.ref_name == 'hotfix'
+    if: github.ref_name == 'master'
     runs-on: ubuntu-20.04
     outputs:
       core_version: ${{ steps.get-core.outputs.version }}